【单选题】曲柄滑块机构中曲柄转速为6r/min,则滑块一个往复行程的时间是
【简答题】根据英文选择恰当的汉语释义。 ( ) 1. I go to school on Monday. ( ) 2. I stay at home on Sunday. ( ) 3. Go to the classroom. ( ) 4. I like my school. ( ) 5. Time to play. A. 我爱我的学校。 B. 我周日呆在家。 C. ...
【简答题】用所给词的正确形式填空。 1. I go home _____(one) a week. 2. There are the _____(key) to these doors. 3. I would like to make friends with an _____(interview). 4. I _____(do) some reading tomorrow. 5. Tom usually ...
【简答题】看图选词,补全句子。 ( ) 1. I go to school in the ____________. A. morning B. evening ( ) 2. I go home in the ____________. A. evening B. afternoon ( ) 3. I go to bed in the ____________. A. morning...
【简答题】听录音,选出正确的答语。 ( ) 1. A. I go by plane. B. I go by ship. ( ) 2. A. The first floor, Room 5A. B. The fifth floor, Room 5A. ( ) 3. A. My home is near the post office. B. It' s not far. ( )...
【单选题】转子流量计的刻度都是特定的流体在特定的温度下制作的。用于测量不同温度或不同种类的流体时,必须作相应的修正。其依据是
【多选题】收银员装袋作业中,下列说法正确的是 ——
A.
冷冻品、豆制品等容易出水的商品先应用包装袋装好后再放入大的购物袋中
B.
装入袋中的商品不能高过袋口,避免顾客提拿不方便,一个袋中装不下的商品可放入另一个袋中
C.
超市在促销活动中所发的广告页或赠品要确认已放入包装袋中
D.
对体积过大包装袋装不下的商品,要用绳子捆好,方便顾客提拿
【简答题】选词填空。 A. Sunday B. home C. two D. Saturday E. school F. five 1. I go to ___________ on Monday. 2. I stay at ___________ on Saturday. 3. We go to school for ___________ days. 4. We stay home for _...
【多选题】收银员装袋作业中,下列说法正确的是 ——
B.
正方型或长方型的商品装人包装袋的两侧,做为支架
C.
瓶装或罐装的商品放在中间,以免受外在压力破损