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【单选题】
In the job interviews job applicants often find themselves asked unexpected questions, some very difficult ____.A.
to be answered
B.
to answer
C.
being answered
D.
answering
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举一反三
【单选题】The treaty was made to protect the country ______ invasion by its neighbours.
A.
of
B.
for
C.
with
D.
from
【单选题】下列关于辛普森式行星齿轮机构说法不正确的是( )。
A.
前后两个行星排的太阳轮连接为一个整体,称为共用太阳轮组件;
B.
前一个行星排的行星架和后一个行星排的齿圈连接为一个整体,称为前行星架后齿圈组件;
C.
输出轴通常与前行星架和后齿圈组件连接。
D.
前后排共用齿圈。
【单选题】下列关于辛普森式行星齿轮机构说法正确的是()。
A.
前后两个行星排的太阳轮连接为一个整体，称为共用太阳轮组件
B.
前一个行星排的行星架和后一个行星排的齿圈连接为一个整体，称为前行星架后齿圈组件
C.
输出轴通常与前行星架和后齿圈组件连接
D.
以上说法都不对
【多选题】下列关于辛普森式行星齿轮机构说法正确的是
A.
前后两个行星排的太阳轮连接为一个整体，称为共用太阳轮组件
B.
前一个行星排的行星架和后一个行星排的齿圈连接为一个整体，称为前行星架后齿圈组件；
C.
输出轴通常与前行星架和后齿圈组件连接。
D.
以上说法都不对。
【单选题】Many private institutions of higher education around the country are in danger. Not all will be saved, and perhaps not all deserve to be saved. There are low-quality Schools just as there are low-qual...
A.
private higher education in general
B.
public higher education in general
C.
high-quality private universities and colleges
D.
high-quality state universities and colleges
【单选题】Without water from the Nile River, Egypt ______ a fanning country and become a desert.
A.
will cease to be
B.
would cease to be
C.
will cease being
D.
would cease being
【单选题】下列关于辛普森式行星齿轮机构说法不正确的是( )。
A.
前后两个行星排的太阳轮连接为一个整体，称为共用太阳轮组件
B.
前一个行星排的行星架和后一个行星排的齿圈连接为一个整体，称为前行星架后齿圈组件
C.
输出轴通常与前行星架和后齿圈组件连接。
D.
以上说法都不对。
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