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【单选题】
能实现间歇运动的机构是A.
曲柄摇杆机构
B.
双摇杆机构
C.
槽轮机构
D.
齿轮机构
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【简答题】表示逻辑函数功能的常用方法有 _________ 、 _________ 、 _________ 、 _________ 等。
【简答题】表示逻辑函数功能的常用方法有____、____、____等。
【单选题】Directions: In this section, you will hear three short passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After y...
A.
They cannot see the firefighters because of the smoke.
B.
They do not realize the danger they are in.
C.
They cannot hear the firefighters for the noise.
D.
They mistake the firefighters for monsters.
【单选题】J’ai regardé de plus près, et j’ai vu une femme en train de se noyer, cherchant désespérément quelque chose à ______ se raccrocher.
A.
laquelle
B.
quoi
C.
auquel (à + lequel)
D.
que
【单选题】听力原文：W: I've been reading about a new healthful snack food (19) . It's made from fish. Have you heard anything about it? M: No, I haven't. But I don't like fish very much anyway. W: Not m worry. Altho...
A.
Food canning.
B.
Kinds of fish.
C.
A new snack food.
D.
A food flavoring.
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