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【单选题】
构成牙齿的主体是:A.
釉质
B.
牙本质
C.
牙骨质
D.
牙髓
E.
牙周膜
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举一反三
【简答题】According to Dr. David, Americans ________. A) are ideally vigorous even under the pressure of life B) often neglect the consequences of sleep deficit C) do not know how to relax themselves properly D...
【单选题】听力原文：S Dr. Smith, you asked to see me? P Ah, yes. Gillian ... thanks for stopping by. I wanted to talk to you about being my teaching assistant this term. S Really? Thats great! P Yes, Im looking forw...
A.
To outline the duties the professor requires of his teaching assistant.
B.
To discuss how to best organize a teaching assistantship position.
C.
To debate the best way to supplement regular instructional time.
D.
To illustrate the importance of tutorials to student comprehension.
【简答题】Dr. Marison is the person____ control of all mdical decisions in the hospital.
【单选题】The number of subjects who receive standard care in Dr. R.P. Agrawal's study is __
A.
55
B.
50
C.
46
D.
56
【简答题】We can infer from Dr. Myers and Dr. Worm’s paper that ________. [A] the stock of large predators in some old fisheries has reduced by 90% [B] there are only half as many fisheries as there were 15 yea...
【单选题】According to the conversation, Mary will probably meet Dr. Roberts at
A.
3 p.m..
B.
4 p. m.
C.
5 p.m..
D.
8:45 a.m. the next day.
【单选题】The ocean current that affects the U.S. continent most is .
A.
Brazil Warm Current
B.
California Current
C.
Benguela Current
D.
The Gulf Stream (Warm Current of Mexico Gulf)
【单选题】The word“current”in the first paragraph most probably means“__________”．
A.
a body of onward running water
B.
a tendency，movement。or course
C.
a mass of continuous moving gas
D.
a flow of electric charge
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