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【单选题】
为研究治疗偏头痛的药物 ( 片剂 ) 的有效性 , 研究者让一部分患者服用与研究药物外观、性状完全相同的淀粉片 , 其主要目的是
A.
研究淀粉片的治疗作用
B.
比较两种片剂的有效性
C.
减少选择性偏倚
D.
避免患者的心理因素影响
E.
评价试验药物的安全性
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举一反三
【单选题】Infusion of written acronyms into everyday speech is a common linguistic process — to wit , RSVP, AWOL, or ASAP. The underlined part means _____.
A.
to one ’ s wisdom
B.
that is to say
C.
for example
D.
particularly
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【单选题】听力原文：W: We are going to the coffee shop. Aren't you coming? M: Sorry, I'm waiting for an important call. Maybe next time. W: Ok, have a good day. What does the man imply?
A.
He can't go now.
B.
He want to call someone.
C.
He can't wait any longer.
D.
He wants to drink a cup of coffee very much.
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【简答题】如图所示的电路中已知I 1 =0.01A,I 2 =0.3A,则I 3 = A
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【简答题】asap
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【单选题】— We are going to the top of the Eiffel Tower this afternoon. — ______. [     ]
A.
All right
B.
Thanks
C.
That's great
D.
See you soon
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【简答题】apply ASAP
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【判断题】艾米 · 诺特是现代几何学的奠基人。
A.
正确
B.
错误
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【单选题】蛋白质的呼吸商为
A.
1
B.
0.74
C.
1.5～2.0
D.
8.4
E.
0.84
查看完整题目与答案
【单选题】We are going to the party _____ next week. [     ]
A.
in
B.
on
C.
×
D.
for
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【判断题】带备用电源的LED工作灯 该商品由铅酸蓄电池、LED灯头、直流变流器和多种直流电输出连接装置组成,并配有充电器、搭电线两种附件。尺寸为250×170×295厘米,重量为5.5千克,设有可供汽车启动电源或对其他电源充电的输出端,还设有USB接口以及12V直流电输出端。 根据归类总规则一及六,该商品应归入税则号列8507.1000或8507.2000。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Infusion of written acronyms into everyday speech is a common linguistic process — to wit , RSVP, AWOL, or ASAP. The underlined part means _____.
A.
to one ’ s wisdom
B.
that is to say
C.
for example
D.
particularly
查看完整题目与答案
【单选题】听力原文：W: We are going to the coffee shop. Aren't you coming? M: Sorry, I'm waiting for an important call. Maybe next time. W: Ok, have a good day. What does the man imply?
A.
He can't go now.
B.
He want to call someone.
C.
He can't wait any longer.
D.
He wants to drink a cup of coffee very much.
查看完整题目与答案
【简答题】如图所示的电路中已知I 1 =0.01A,I 2 =0.3A,则I 3 = A
查看完整题目与答案
【简答题】asap
查看完整题目与答案
【单选题】— We are going to the top of the Eiffel Tower this afternoon. — ______. [     ]
A.
All right
B.
Thanks
C.
That's great
D.
See you soon
查看完整题目与答案
【简答题】apply ASAP
查看完整题目与答案
【判断题】艾米 · 诺特是现代几何学的奠基人。
A.
正确
B.
错误
查看完整题目与答案
【单选题】蛋白质的呼吸商为
A.
1
B.
0.74
C.
1.5～2.0
D.
8.4
E.
0.84
查看完整题目与答案
【单选题】We are going to the party _____ next week. [     ]
A.
in
B.
on
C.
×
D.
for
查看完整题目与答案
【判断题】带备用电源的LED工作灯 该商品由铅酸蓄电池、LED灯头、直流变流器和多种直流电输出连接装置组成,并配有充电器、搭电线两种附件。尺寸为250×170×295厘米,重量为5.5千克,设有可供汽车启动电源或对其他电源充电的输出端,还设有USB接口以及12V直流电输出端。 根据归类总规则一及六,该商品应归入税则号列8507.1000或8507.2000。
A.
正确
B.
错误
查看完整题目与答案