题目内容

测定石油沥青的针入度时,当测定针入度大于200,至少用3支标准针。

A. 对
B. 错

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石油沥青的针入度试验,同一试样3次平行试验结果的最大值和最小值之差再下列允许误差范围内时,数据才有效:针入度在0~49(0.1mm)的允许误差为2(0.1mm),针入度在50~149(0.1mm)的允许误差为4(0.1mm)。

A. 对
B. 错

"当前需要团结一致。"可以译为:

A. This is a time forsolitude.
B. This is a time forsoiltary.
C. This is a time for solidarity.
D. This is a time forsolid.

“排外情绪,仇外,惧外(对外国人的厌恶或惧怕)”的英文是

A. xenophobia
B. acrophobia
C. hydrophobia
D. ideaphobia

The president is turning to racist rhetoricto distract from his failures. Don't fall for it.这里的“fall for it"的意思是:

A. 一见倾心,一见钟情
B. 上当,中圈套
C. 摔倒
D. 落后

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