1 . A team of scientists __________ (lead) by Professor Eli Shlizerman at the University of Washington has found that the monarch is able to tell the time of day and to measure the position of the sun by using its eyes, so that the monarch manages to reach the places where it will spend the winter. (所给词的适当形式填空)

2 . The educational software ________(aim) at helping students improve their math skills has been updated to include more interactive lessons and additional exercises. (所给词的适当形式填空)

4 . Nowadays people can get lots of information by using a computer________the Internet.

A．is connected to

B．is connected with

C．connected to

D．connected on

9 . 用方框中的词或短语的正确形式填空，其中有两个多余选项。

be impressed with   be connected to   be concerned about   cross out   cheer up   lead to   put off     put up   suffer from   tell off   fall behind     make sense

1. You should always have a figured-out plan considering the tents location before ________ a tent.
2. All the judges and the audience ________ the deaf singer Mandy Harvey’s amazing performance at America’s Got Talent last Tuesday.
3. Humor is culturally based, and that’s why some jokes are well understood in one culture but not likely ________ in another.
4. Once a top student in his school, Tom, in the past few months, ________ his peers due to his pride and laziness.
5. When Bill ________ for not wearing a tie, he let off steam by telling his boss what he thought of her, which in turn made her mad.
6. ________ the patients who are in pain and low spirits, clown doctors do magic tricks, sing songs and tell them funny jokes.
7. From June to August, the long-lasting exceptionally high temperatures________ droughts in central and eastern parts of China.
8. Teenagers often listen to music by using earphones ________ their MP5, but in fact it’s bad for their hearing.
9. Smoking can add up to 1.25 years and ________ restless sleep can add 0.44 years to a person’s biological age, which means how old a person seems, according to the study.
10. You had better ________ all the needless words in your composition before you hand it in.