[填空题]I read a lot of books to (sharp)（）my mind.

[填空题]I read a lot of books to (sharp) ______ my mind.

[简答题]My assistant, who had carefully read through the instructions before doing his experiment, could not obtain satisfactory results.

[单项选择]

W: I have been thinking about my uncle a lot these days.
M: Why not go over for a visit

What does the man mean（）
A. The woman’s uncle will come for a visit.
B. He thinks the woman should visit her uncle.
C. He asks the woman to go over to his place.

[单项选择]

W: My neighbor is making a lot of noise. I can’t read my books at all.
M: Why not go to the library It will be much better there.

What does the man mean（　）.
A. The woman should stay at home.
B. The woman should go to the library.
C. The woman should tell her neighbor to stop making noise.

[单项选择]

W: I’ve been thinking about my cousin a lot today.
M: Why not go over for a visit
W: But I have to take care of the baby.
M: Don’t worry about that. I will help you out.

What does the man mean（　）.
A. He thinks she should visit her cousin.
B. Her cousin doesn’t visit very often.
C. Her cousin is feeling a lot better today.
D. He doesn’t think her cousin has been at home today.

[单项选择]It is from my grandparents________ I learned a lot.
A. who
B. whom
C. that
D. which

[单项选择]My home town has changed a lot ______ I left it.
A. since
B. after
C. when

[填空题] As a physician who travels quite a lot, I spend a lot of time on planes listening for that dreaded “Is there a doctor on board ” announcement. I’’ve been (71) ________ only once —— for a woman who had merely fainted. But the (72) ________ made me quite curious about how (73) ________ this kind of thing happens I wondered what I would do if (74) ________ with a real midair medical emergency-with out access (75) ________ a hospital staff and the usual emergency equipment. So 76 the New England Journal of Medicine last week (77) ________ a study about in-flight medical events. I read it (78) ________ interest. The study estimated that there are a(n) (79) ________ of 30 in-flight medical emergencies on U.S. flights every day. Most of them are not (80) ________;fainting and dizziness are the most frequent complaints. (81) ________ 13% of them ——roughly four a day —— are serious enough to (82) ________ a pilot to change course. The most common of the serious emergencies (83) ______
A. A．harshly
B．reluctantly
C．easily
D．casually