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【单选题】
共性型消声器适合消除()频的噪声。
A.
B.
C.
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【简答题】阅读理解。 Eating healthily is important for you. Good eating habits are good for you in your whole life. Your body needs energy to work. Where does energy from? It's from the food you eat every day. But i...
【单选题】《诗经》在当时被划分为“风、雅、颂”,其划分的主要标准是:
A.
地域
B.
社会作用
C.
音乐
D.
内容
【单选题】Good _____ habit is a kind or _____ lifestyle. [     ]
A.
eat, health
B.
eating, health
C.
eating, healthy
【单选题】《诗经》在当时被划分为“风、雅、颂”,其划分的主要标准是
A.
地域
B.
社会内容
C.
音乐
D.
内容
【单选题】《诗经》在当时被划分为“风、雅、颂”,其划分的主要标准是
A.
地域
B.
音乐
C.
内容
D.
社会作用
【多选题】卵巢的功能有哪些?
A.
产生卵子
B.
分泌雌激素
C.
分泌孕激素
D.
受精部位
【单选题】—Does your brother get up early? —_______But he gets up late on weekends.A. Yes, he
A.
19. —Does your brother get up early? —_______But he gets up late on weekends. A. Yes, he does
B.
No, he doesn’t
C.
Yes, he doesn’t
D.
No,he does
【判断题】滚动轴承内圈与轴的配合采用基孔制,外圈与外壳孔的配合采用基轴制
A.
正确
B.
错误
【判断题】滚动轴承内圈与轴的配合采用基孔制,而外圈与箱体孔的配合采用基轴制。
A.
正确
B.
错误
【单选题】—Has your father got up?—Sorry, I’m not sure. He __________ got up. Please go and see for yoursel
A.
34.—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself. A.must have
B.
can’t have
C.
would have
D.
might have
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