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【单选题】

我国悬浮泥沙含量最高的是哪两个海湾()?

A.
辽东湾和大亚湾
B.
莱州湾和雷州湾
C.
温州湾和泉州湾
D.
渤海湾和杭州湾
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参考答案:
举一反三

【单选题】Passage Two Questions 66 to 70 are based on the following passage: If an agreement signed in Germany works out, travelers of this Asian city may one day be able to move from the downtown area to its n...

A.
It is difficult to see fingerprints with human eyes.
B.
There are special ways to recover a suspect’s fingerprints.
C.
Even a small part of a fingerprint is useful for identification
D.
Suspects usually try to avoid leaving their fingerprints at the scene.

【单选题】优质钢中S、P的含量是()。

A.
ωs≤0.050%,ωp≤0.045%
B.
ωs、ωp≤0.035%
C.
ωs、ωp≤0.03%
D.
ωs、ωp≤0.025%

【单选题】样本含量估计

A.
根据实际情况能选多少是多少
B.
经济条件允许的情况下越多越好
C.
时间允许的情况下越多越好
D.
调查整个总体最好
E.
保证研究结论具有一定可靠性的前提下确定的最小例数
相关题目:
【单选题】Passage Two Questions 66 to 70 are based on the following passage: If an agreement signed in Germany works out, travelers of this Asian city may one day be able to move from the downtown area to its n...
A.
It is difficult to see fingerprints with human eyes.
B.
There are special ways to recover a suspect’s fingerprints.
C.
Even a small part of a fingerprint is useful for identification
D.
Suspects usually try to avoid leaving their fingerprints at the scene.
【单选题】优质钢中S、P的含量是()。
A.
ωs≤0.050%,ωp≤0.045%
B.
ωs、ωp≤0.035%
C.
ωs、ωp≤0.03%
D.
ωs、ωp≤0.025%
【单选题】样本含量估计
A.
根据实际情况能选多少是多少
B.
经济条件允许的情况下越多越好
C.
时间允许的情况下越多越好
D.
调查整个总体最好
E.
保证研究结论具有一定可靠性的前提下确定的最小例数
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