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【单选题】
慢性毒性作用若参照LD50来进行剂量分组,则其中最高剂量组为A.
1/5-1/2LD50
B.
1/50-1/10LD50
C.
1/10LD50
D.
1/100LD50
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【简答题】L/C is operated through（ ），so it has certain advantage to the both parties of the contract．
【单选题】According to Dr. Landgrebe and Dr. Frick, electrosensitive
A.
is a response to electromagnetic stimulus.
B.
does not have real symptoms.
C.
is induced by cognitive functions.
D.
is induced by direct external stimuli.
【单选题】Dr. Sanders and Dr. Jacobs turned in their resignations to the general hospital and will open a private practice of -------.
A.
them
B.
theirs
C.
themselves
D.
their own
【单选题】Suddenly the yen will take a big fluctuation and wipe out that advantage we worked so hard to create,
A.
spring
B.
sling
C.
swing
D.
string
【单选题】Dr. Bhattacharya and Dr. Sheth’s answer to the question in the first paragraph may be that
A.
it is still not clear to scientists.
B.
it comes from subconsciousness.
C.
it comes from consciousness.
D.
it is a question of no answer.
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