—Emily described every detail of the accident just now.

—I’m glad to hear that! Her memory __________ be completely back.

A. can B. can’t C. mustn’t D. must

—You look tired. What’s wrong with you?

—I went to bed late last night. I __________ my speech from eight o’clock to midnight.

A. practised B. was practising C. am practising D. has practised

—How can schools help students realize their dreams?

—By caring for the full _____________ of their talents.

A. development B. knowledge C. attention D. standard

—Mum, I’d love to go to Australia for this summer holiday.

—But I doubt if we could ___________ something like that.

A. afford B. offer C. allow D. cost

How did you manage to do it so well? Did you________ all night to learn?

A. look up B. stay up C. give up D. put up

________though I know you are confident about the job. Try a few more!

A. It never rains but it pours B. Many hands make light work

C. Every dog has its day D. Don’t pull all your eggs in one basket

—Bruce, I am still not sure __________________.

— Why not? No one is better than you in our class.

A. where I can join the competition

B. how can I prepare for the competition

C. whether I should take part in the competition

D. who can I ask for information about the competition

There’s still so much food left on the table. _____________! We should eat it up.

A. What a pity B. What a surprise

C. What a shame D. What a waste

—Ken, ______________, but your bike is in the way.— Oh, I’m sorry. I will move it right away.

A. I hate to say this B. I’m really tired of this

C. I’d like to talk with you D. I need your help

Are you a happy person most of time? Or do you easily get angry sometimes? Everyone has a different mood. It is usually believed that both genes（基因）and environment may __ people’s moods in different ways. But now scientists have found that the season of ___ also plays a role.

Scientists from Budapest, Hungary, __ 400 university students. In the study, the students needed to complete a questionnaire（问卷）. The ___ of it was to find out which of four kinds of moods they most had. From the questionnaire, scientists found that the students always answered __ like “My mood often changes for no reason” and “I love to deal with new projects even if it is risky”. These answers were __ with their birthdays.

They discovered that people born in summer easily change between sad and happy moods __ to people born in winter. Those who always feel positive（阳光的）are mostly born in spring and summer.

Moreover, the study found that those born in autumn less __ had a mood of sadness which may easily drive them to cry, __ it wasn’t easy for those born in winter to be angry.

Scientists said maybe this was because the seasons had an influence on certain chemicals in the human body. And the chemicals are important to control people’s moods even in adult life.

“It seems that when you are born may increase or decrease your __ of developing certain mood disorders,” lead scientist Xenia Gonda told The Telegraph.

1.A. change B. influence C. include D. explain

2.A. life B. growth C. birth D. death

3.A. searched B. suggested C. separated D. studied

4.A. purpose B. plan C. message D. project

5.A. anything B. something C. much D. such

6.A. mentioned B. mixed C. marked D. matched

7.A. compared B. confirmed C. considered D. contacted

8.A. properly B. quickly C. probably D. quietly

9.A. when B. while C. though D. since

10.A. change B. condition C. choice D. chance