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【单选题】
半数致死剂量 LD50是通过什么试验得到的。（ D ）
A.
急性毒性试验
B.
亚急性毒性试验
C.
慢性毒性试验
D.
亚慢性毒性试验
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【单选题】陈某,男,62岁,常感疲乏无力,今日时有嗜睡情况,发作时肌张力丧失,眼睑下垂,就地躺下入睡,事后感到精力恢复,该患者属于
A.
睡眠过度
B.
发作性睡眠
C.
癫痫发作
D.
梦行症
E.
睡眠呼吸暂停
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【单选题】发作时肌张力丧失,眼睑下垂,就地躺下入睡,事后感到精力恢复,该病人可能发生
A.
睡眠过多
B.
梦游
C.
发作性睡眠
D.
睡眠呼吸暂停
E.
癫瘤发作
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【单选题】We have time and again ______ our position on Taiwan issue!Whatever happens，we won’t change it!
A.
delivered
B.
clarified
C.
confirmed
D.
guaranteed
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【单选题】What can we infer from the last paragraph?
A.
We know what happens in our head at night through thinking.
B.
The dreams we related when we are awake help interpret our dreams.
C.
Scientists can guess the content of our dreams without devices.
D.
We ourselves can interpret our dreams if we have advanced devices.
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【单选题】We have _________ our position on the issue (期刊)! Whatever happens, we won’t change it.
A.
introduced
B.
explained
C.
clarified
D.
acquired
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【单选题】发作时肌张力丧失,眼睑下垂,就地躺下入睡,事后感到精力恢复,该病人可能发生
A.
睡眠过多
B.
梦游
C.
发作性睡眠
D.
睡眠性呼吸暂停
E.
癫瘤发作
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【单选题】To be well-informed , we should be ______ communication _____  each other about what happens to us.
A.
on ; for
B.
in; for
C.
with; by
D.
in; with
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【单选题】船舶装载后Δ＝18000t，xg＝1.136m，xb＝1.91m，MTC＝210t²m/cm，则船舶的吃水差为（）m。
A.
-0.147
B.
-1.110
C.
0.147
D.
1.110
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【单选题】What happens to us or what we do today will probably ______.
A.
become the contents of our dreams
B.
have nothing in common with the contents of our dreams
C.
appear in our dreams just like the same in real life
D.
appear in our dreams usually in the opposite way
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【单选题】船舶装载后△=18000t,Xg=1.36m,Xb=1.91m,MTC=210tm/cm,则船舶的吃水差为()m
A.
—0.47
B.
—1.10
C.
0.47
D.
1.1
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【单选题】陈某,男,62岁,常感疲乏无力,今日时有嗜睡情况,发作时肌张力丧失,眼睑下垂,就地躺下入睡,事后感到精力恢复,该患者属于
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E.
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【单选题】发作时肌张力丧失,眼睑下垂,就地躺下入睡,事后感到精力恢复,该病人可能发生
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B.
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【单选题】We have time and again ______ our position on Taiwan issue!Whatever happens，we won’t change it!
A.
delivered
B.
clarified
C.
confirmed
D.
guaranteed
查看完整题目与答案
【单选题】What can we infer from the last paragraph?
A.
We know what happens in our head at night through thinking.
B.
The dreams we related when we are awake help interpret our dreams.
C.
Scientists can guess the content of our dreams without devices.
D.
We ourselves can interpret our dreams if we have advanced devices.
查看完整题目与答案
【单选题】We have _________ our position on the issue (期刊)! Whatever happens, we won’t change it.
A.
introduced
B.
explained
C.
clarified
D.
acquired
查看完整题目与答案
【单选题】发作时肌张力丧失,眼睑下垂,就地躺下入睡,事后感到精力恢复,该病人可能发生
A.
睡眠过多
B.
梦游
C.
发作性睡眠
D.
睡眠性呼吸暂停
E.
癫瘤发作
查看完整题目与答案
【单选题】To be well-informed , we should be ______ communication _____  each other about what happens to us.
A.
on ; for
B.
in; for
C.
with; by
D.
in; with
查看完整题目与答案
【单选题】船舶装载后Δ＝18000t，xg＝1.136m，xb＝1.91m，MTC＝210t²m/cm，则船舶的吃水差为（）m。
A.
-0.147
B.
-1.110
C.
0.147
D.
1.110
查看完整题目与答案
【单选题】What happens to us or what we do today will probably ______.
A.
become the contents of our dreams
B.
have nothing in common with the contents of our dreams
C.
appear in our dreams just like the same in real life
D.
appear in our dreams usually in the opposite way
查看完整题目与答案
【单选题】船舶装载后△=18000t,Xg=1.36m,Xb=1.91m,MTC=210tm/cm,则船舶的吃水差为()m
A.
—0.47
B.
—1.10
C.
0.47
D.
1.1
查看完整题目与答案