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【简答题】
确定数控机床坐标轴时,一般先定 轴,再定 轴,最后定 。
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【简答题】看图补全对话。 1. 2. 3. 4. A: What did the children do yesterday? B: ______________________ A: What did the boys do yesterday? B: __________________________ A: What will the girl do next Sunday? B: ________...
【简答题】同步触发器使用时必须保证R/S 至少有一个为“ ”,即必须满足 的条件,这个条件也称为基本RS触发器输入信号的约束条件。
【单选题】Maria sometimes goes home by subway. Maria sometimes _______home .
A.
takes the subway
B.
take the subway
C.
takes a subway
【单选题】—What strengths and ____ did you find in her? —She is hardworking but is not good at getting along with others.
A.
courts
B.
weaknesses
C.
marks
D.
loads
【简答题】He has stayed there for _________,but ________he likes to stay at home. A．sometime; sometimes B．sometime; some time C．some time ; sometimes D．some time; some times
【单选题】________sometimes keeps her awake at night ________ John is getting more and more quiet at home. [ ]
A.
That ; what
B.
What ; that
C.
It;that
D.
Whether;what
【简答题】Look and answer. 1. A: What did Lucy do yesterday? B: . 2. A: What did John do last weekend? B: . 3. A: Did Ben play basketball yesterday? B: . 4. A: What's the matter with you? B: . 5. A: What's Jack...
【单选题】sometimes keeps her awake at night is Tom is getting more and more quiet at home.
A.
That;which
B.
It;that
C.
Whether;what
D.
What;that
【单选题】Sometimes, while living in a foreign country, one ________special dish from home.
A.
wishes
B.
desires
C.
cooks
D.
brings
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