1 . Think carefully before you answer questions online. You may give ________ very important personal information. (用适当的词填空)

2 . Fireflies（萤火虫）will give ________ flashes of light when they fly at night. (用适当的词填空)

3 . When the passengers get off the bus, they are reminded not to leave any of their belongings   ________. (用适当的词填空)

4 . ________ (与此同时), I am looking forward to hearing from you as soon as possible. (根据汉语提示单词拼写)

5 . When you are learning to ride a bicycle, you often fall ________. （用适当的词填空）

6 . These birds are rare and ____________(因此) we should protect them.

7 . ______________ (因此), I suggest we live in harmony with the nature. （根据汉语提示完成句子）

8 . The salesgirl in the shop looked at them ________ (curious). (所给词的适当形式填空）

9 . 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

The British have been drinking tea for over 350 years. But in fact, the history of tea goes much     1    (far) back.

The story of tea begins in China. According to the legend, the Chinese emperor Shen Nung was sitting     2    a tree while his servant boiled drinking water, when some leaves from the tree blew into the water. Shen Nung,     3     expert in herbal medicine, decided to try the water his servant created. As a result, it tasted so good that later the drink was     4     we now call tea.

It is     5    (possible) to know whether there is any truth in this story.     6    , tea drinking certainly was established in China many centuries before it had even been heard of in the west. Containers of tea     7    (find) in tombs dating from the Han dynasty (206BC-220AD) before tea was firmly established as the national drink of China in the Tang dynasty (618-906AD). It became     8     a favorite thing that during the late eighth century, a writer     9    (call) Lu Yu wrote the first book entirely about tea, the Ch’a Ching, or Tea Classic. It was shortly after this that tea was first introduced to Japan, by Japanese Buddhist monks who had travelled to China to study before. Tea drinking has become a vital part of Japanese culture,     10    may be rooted in the sprit described in the Ch’a Ching.