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【判断题】
斗式提升机可以往返运送物料。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】Hello. My name is Bill. I’m a 1 boy. I study in Tiechong Middle School. There are over nine 2 students and more than eighty 3 in our school. Two thirds of the teachers 4 women. My school is not very b...
【多选题】下列描述是气压梯度力的特点
A.
从高压指向低压
B.
既改变空气运动的方向，又改变空气运动的大小
C.
只改变空气运动的大小，不改变空气运动的方向
D.
是风形成的原始动力
【单选题】There are nine planets in the solar system,_____are larger than our earth.
A.
some of that.
B.
some or them.
C.
some of which.
D.
some of them.
【简答题】There are nine of them, so ______ get into the car at the same time. a. they may not at all b. all they may not c. they can’t all d. all they can’t
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