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【单选题】
科学研究最基本的方法是()A.
调查法
B.
实验法
C.
文献法
D.
观察法
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【单选题】It is thought that a new system _____ the place of the old one in that company. But things are getting worse and worse.
A.
must have taken
B.
will take
C.
won’t take
D.
had taken
【单选题】It is thought that one billion people I the world, _ is half the word’s workers, earn their living by farming.
A.
if
B.
that
C.
which
D.
what
【简答题】It is thought that one billion people I theworld, _ is half the word’s workers, earn their livingby farming. A.if B. that C. which D. what
【简答题】It is thought that some online communities could be a better resource than CV databases.
【单选题】It is thought that a new system _____ the place of the old one in that company. But things are getting worse and worse. w.w.w.k.s.5.u.c.o.m
A.
must have taken
B.
will take
C.
won’t take
D.
had taken
【单选题】病原体侵入人体后，可在入侵部位或某脏器内生长繁殖，并不断排出体外，而不出现任何临床症状，称为
A.
病原携带状态
B.
隐性感染
C.
显性感染
D.
潜伏性感染
E.
轻型感染
【单选题】It_____Tom drives badly.
A.
thinks that
B.
is thought what
C.
thought that
D.
is thought that
【单选题】病原体侵入人体后,可在入侵部位或某脏器内生长繁殖,并不断排出体外,而不出现任何临床症状,称为
A.
潜伏性感染
B.
隐性感染
C.
显性感染
D.
病原携带状态
E.
轻型感染
【单选题】It ________ Bob drives badly.
A.
thinks that
B.
is thought what
C.
thought that
D.
is thought that
【单选题】病原体侵入人体后,可在人侵部位或某脏器内生长繁殖,并不断排出体外而不出现任何临床症状,称为:
A.
病原携带状态
B.
隐性感染
C.
显性感染
D.
潜伏性感染
E.
轻型感染
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