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【多选题】
图示的内燃机中,包含以下哪几种结构?
A.
曲柄滑块机构
B.
凸轮机构
C.
棘轮机构
D.
齿轮机构
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参考解析：
知识点：
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举一反三
【单选题】Is your father ________ newspapers? [     ]
A.
seeing
B.
watching
C.
reading
D.
looking
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【单选题】Seeing your picture, I couldn't resist _______ the days _______ we spent together. [     ]
A.
to think of; when
B.
to think of; which
C.
thinking of; which
D.
thinking of; when
查看完整题目与答案
【多选题】有关移动通信中覆盖小区说法正确的是（ ）
A.
小区形状的设计要求：小区无空隙、无重叠的覆盖整个服务区域。
B.
全向天线辐射的覆盖区为圆形，不能无空隙、无重叠的覆盖整个区域。
C.
在考虑交叠之后，实际上每个辐射区的有效覆盖区是一个多边形。满足无空隙、无重叠条件的小区形状有三种：正三角形、正方形和正六边形。
D.
在服务区面积一定的情况下，正六边形小区的形状最接近理想的圆形，用它覆盖整个服务区所需的基站数最少，也就最经济
查看完整题目与答案
【单选题】— You seem to be on top of the world. — Of course. There’s more exciting than seeing your name in print.
A.
everything
B.
anything
C.
nothing
D.
something
查看完整题目与答案
【单选题】— You seem to be on top of the world. — Of course. There’s more exciting than seeing your name in print.
A.
everything
B.
nothing
C.
anything
D.
something
查看完整题目与答案
【简答题】T rue wisdom consists not only in seeing what is before your eyes, ___ 求答案，谢谢！
查看完整题目与答案
【单选题】It’s time to do your homework. Stop _______TV.
A.
watching            
B.
to watch            
C.
seeing
查看完整题目与答案
【单选题】Your mother and I are looking forward________ you.
A.
of seeing
B.
for seeing
C.
to see
D.
to seeing
查看完整题目与答案
【简答题】患者女，20岁，因“面部变圆、变红，向心性肥胖、宽大紫纹8年，加重8个月”来诊。查体：BP 160/120 mmHg。实验室检查：FBG＞140 mg/dl，血钾2.5 mmol/L，血ACTH 99.6 pg/ml；大、小剂量地塞米松抑制试验均不被抑制。胸部及肾上腺CT：未见异常。鞍区MRI：部分空泡蝶鞍，蝶窦内异常信号。根据现有条件，可能的诊断有A、ACTH依赖性皮质醇增多症 B、ACTH非依...
查看完整题目与答案
【单选题】— Do you come to South Korea for the ________ of seeing your family or doing business? — I come here on business.
A.
interest
B.
benefit
C.
purpose
D.
thought
查看完整题目与答案
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【单选题】Is your father ________ newspapers? [     ]
A.
seeing
B.
watching
C.
reading
D.
looking
查看完整题目与答案
【单选题】Seeing your picture, I couldn't resist _______ the days _______ we spent together. [     ]
A.
to think of; when
B.
to think of; which
C.
thinking of; which
D.
thinking of; when
查看完整题目与答案
【多选题】有关移动通信中覆盖小区说法正确的是（ ）
A.
小区形状的设计要求：小区无空隙、无重叠的覆盖整个服务区域。
B.
全向天线辐射的覆盖区为圆形，不能无空隙、无重叠的覆盖整个区域。
C.
在考虑交叠之后，实际上每个辐射区的有效覆盖区是一个多边形。满足无空隙、无重叠条件的小区形状有三种：正三角形、正方形和正六边形。
D.
在服务区面积一定的情况下，正六边形小区的形状最接近理想的圆形，用它覆盖整个服务区所需的基站数最少，也就最经济
查看完整题目与答案
【单选题】— You seem to be on top of the world. — Of course. There’s more exciting than seeing your name in print.
A.
everything
B.
anything
C.
nothing
D.
something
查看完整题目与答案
【单选题】— You seem to be on top of the world. — Of course. There’s more exciting than seeing your name in print.
A.
everything
B.
nothing
C.
anything
D.
something
查看完整题目与答案
【简答题】T rue wisdom consists not only in seeing what is before your eyes, ___ 求答案，谢谢！
查看完整题目与答案
【单选题】It’s time to do your homework. Stop _______TV.
A.
watching            
B.
to watch            
C.
seeing
查看完整题目与答案
【单选题】Your mother and I are looking forward________ you.
A.
of seeing
B.
for seeing
C.
to see
D.
to seeing
查看完整题目与答案
【简答题】患者女，20岁，因“面部变圆、变红，向心性肥胖、宽大紫纹8年，加重8个月”来诊。查体：BP 160/120 mmHg。实验室检查：FBG＞140 mg/dl，血钾2.5 mmol/L，血ACTH 99.6 pg/ml；大、小剂量地塞米松抑制试验均不被抑制。胸部及肾上腺CT：未见异常。鞍区MRI：部分空泡蝶鞍，蝶窦内异常信号。根据现有条件，可能的诊断有A、ACTH依赖性皮质醇增多症 B、ACTH非依...
查看完整题目与答案
【单选题】— Do you come to South Korea for the ________ of seeing your family or doing business? — I come here on business.
A.
interest
B.
benefit
C.
purpose
D.
thought
查看完整题目与答案