在小薄片工件上钻孔,应尽量用手拿着工件。
A. 对
B. 错
Are you going to join ()? You are a good swimmer.
A. the swimming contest
B. cycling race
C. walking festival
D. fishing contest
A: There is a () of a swimming contest at the school gate.B: Great! I' ll go and check the details.
A. announcement
B. poster
C. paper
D. sheet
Haven't you seen the poster of a weekend cycling?
A. 你看到周末自行车比赛的海报了吗?
B. 你是不是没有看到有周末自行车活动的海报?
C. 你看到周末骑自行车活动的海报了吗?
D. 你喜欢周末的自行车活动吗?