【多选题】【消耗次数：1】
机体的免疫功能主要包括：（）
①
免疫防御
②
免疫稳定
③
免疫监视
④
免疫抑制
参考答案：
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【单选题】
3. He ______ hard until I told him to sit down and have a break.
①
was working
②
had been working
③
worked
④
has worked
【单选题】
19. He tried to _____ from his memory what he knew of his former neighbor..
①
think of
②
remember
③
summon
④
gave way
【单选题】
14. Mary is _______ to what others think of her.
①
sensitive
②
sensational
③
sensory
④
sensible
【单选题】
11 ______, they had no chance of winning.
①
brave as they fought
②
bravely as they fought
③
If they fought bravely
④
Since they fought bravely
【单选题】
15. She suffered great mental_____ after her husband died, and as a result she became mad.
①
anger
②
. discomfort
③
unhappiness
④
anguish
【单选题】
13. The supervisor appreciates ______ so hard in the office.
①
for your working
②
your working
③
you to work
④
for you to work
【单选题】
10. ______, he was unable to make much progress.
①
Hard as he tried
②
Though hard as he tried
③
He tried hard
④
Because he tried hard
【单选题】
9.She does not_____ that she owes the money, but she just wouldn’t like to return it.
①
argue
②
. dispute
③
think
④
agree