Water had also appeared on other planets like Mars but    1    the earth, it had disappeared later. It was not immediately obvious that water was to be    2    to the development of life.

That afternoon aboard the train, the cousins    3    in their seats. Earlier that day, when they crossed the Rocky Mountains, they managed to    4    some mountain goats and even a grizzly bear and an eagle.

For forty years Jane Good all has been    5    about making the rest of the world understand and respect the life of these animals. She has argued that wild animals should be left in the wild and not used for    6    or advertisements.

Dr Yuan is quite    7    his life! However, he doesn't care about being famous. He feels it gives him less    8    to do his research. He would much rather keep time for his hobbies.

Then he    9    the lace of the shoe and eats it as if it were spaghetti. He eats each mouthful    10    .The acting is so convincing that it makes you believe that it is one of the best meals he has ever tasted.

On Februry 14, men around the world take out their wives or girlfriends     1     (have) dinner, buying them flowers and gifts. However, people in Japan do it     2     (different). On that day, a woman usually     3     (give) gifts to the man in her life. This gift comes in the form of chocolate or cookies. One month later, on March 14, they celebrate White Day, when men present gifts to women. Instead of chocolates, they may give handbags, flowers or clothes.     4     if a girl wants to receive more gifts on White Day, she should give gifts generously to her loved ones on Valentine's Day.

So don’t feel sorry for the     1     or make fun of them, and don’t ignore them either. Just accept them for who they are, and give them     2     to live as rich and full a life as you do.

He had opened the curtains that night so that the other woman would see him and Claire,     3     that there was no risk to Claire’s marriage. But even though Tony had been so clever, he would have to be rebuilt-you cannot have women     4     in love with machines.

Being badly wounded, the whale soon died. Within a moment or two, its body was     5     swiftly by the killers down into the     6     of the sea.

Sometimes I wonder how     7     chemistry is to these students, most of     8     will be going back to their villages after Year 8 anyway.

Xie lei, who is 21 years old, has come to our university to study for a business     9    .   She is halfway through the     10     year, which most foreign students complete before applying for a degree course.

In 2002, Yao Ming was selected the first overall in the NBA Draft(选秀). No athlete is     1     (responsible) than Yao for China’s rise to a global sports superpower. After Yao     2     (join) the Houston Rockets, the NBA became the first professional sports league from the US to visit China. Thanks to Yao’s impact, more professional     3    (team) have a presence in China today. Yao retired in 2011 following a career that included eight NBA All-Star selections. He's truly a superstar who belongs to the world.

On the first day of my first grade, I stood by the door with butterflies in my stomach. I     1    (voice)my biggest concern to my mother. “How will I make friends?” She handed me advice. “Be yourself. “ For the past 20 years, I have lived by these words. Soon I will graduate and become part of the real world. Nervously    2    (face) challenges，I know I will whisper to myself     3     two simple words “Be yourself”.

Mo Li Hua is a popular Chinese folk song     1    dates back to the 18th century. It’s one of the most well-known Chinese songs both in China and abroad. It’s a nice song    2    beginners to learn due to its simple lyrics. The melody of this song has become well-known among Western listeners for several reasons. One is that it    3    (sing) by Giacomo Puccini in his opera called Turandot in 1926. It was also used in the Olympics opening ceremony in China.

Sherlock Holmes and Dr. Watson go on a camping trip. After a good dinner and a bottle of wine, they retire for the night, and go to sleep.

Some hours later, Holmes wakes up and asks his faithful friend. “Watson, look up at the sky and tell me     1       you see. “

“I see millions of stars. “ replies Watson.

“And what do you deduce from that?”

Watson thinks     2     (careful) for some time. “Well, according to the studies on astronomy, it tells me that there are potentially billions of planets. According to the scientific measurement of time, I deduce the time is probably a quarter past three. According to the current atmosphere, I forecast that we     3     (have) a beautiful day tomorrow. What does it tell you, Holmes?”

Holmes is silent for a minute. “Watson,” he says, “someone     4     (steal) our tent!”

After two days’ travel, the girls began to realize that Canada is quite empty. At school, they had learned that most Canadians live     1     a few hundred kilometers of the USA border, and    2     Canada’s population is only     3     over thirty million, but now they were     4     to see such an empty country. They went     5     a wheat-growing province and saw farms that     6     thousands of acres. After dinner, they were back in an     7     area, the busy port city of Thunder Bay at the top of the Great Lakes. The girls were surprised at the     8     that ocean ships can sail up the Great Lakes. Because of the Great Lakes, they learned, Canada has more    9     water than any other country in the world. In fact, it has one-third of the world’s total fresh water, and much of     10     is in the Great Lakes.

1)     1    with these physical changes,there come many psychological changes.Boys and girls     2    to be different in this     3    Many boys become risk-takers---they want to find their own limits and the limits of the world around them,but may not have the     4     to make good choices in their     5    .At the same time,girls often want someone-- anyone--to talk to,as they try to deal with their strong feelings.

2)Some people in Dover also say that they saw aliens that night."It's happened to me!'said Mrs.Mavis Wood."The aliens took me     6    the UFO so that they could do research on me. Luckily,they returned me home without any     7    The whole experience was terrible! I haven't been sleeping well since I returned home.I think Justin was taken away by them,too. When asked about the     8    that Justin was taken by aliens,Detective Sam Peterson, who has taken charge of the case,told joumnalists,'Sometimes people make up such amazing stories. There's really no hard     9    that aliens took him.So,     10    we have not dismissed the idea,we are looking into other......

(1). The amber which    1     had a beautiful yellow-brown color like honey. The design of the room was in the     2     popular in those days. It was also a treasure     3     gold and jewels, which took the country’s best artists about ten years to make.

(2). I have become very important in communication,     4     and trade. I have also been put into robots and used to make mobile phones     5     help with medical operations....Anyhow, my     6     is to provide humans with a life of high quality…

(3). “What are you doing?” asked Daisy. “I’m protecting myself     7     mosquitoes,” it replied. When I find a millipede insect, I rub it over my body. It     8     a powerful drug which     9     mosquitoes. You should pay more attention to the rainforest where I live and     10     how the animals live together. No rainforest, no animals, no drugs.”