车间把加工一批零件的任务按4：3分给甲、乙两人。完成任务时，甲实际加工了4800

The children often play soccer in the garden(花园). Sometimes they break (打破).Mrs. Smith’s windows.  

One afternoon , Mrs. Smith is reading a newspaper at home. After a short time, she closes her eyes and goes to sleep. At that time a little boy knocks(敲) at the door. Mrs. Smith opens the door and asks, “Do you break my windows again（又一次）?” “Oh, no”, says the boy. “ Your windows are open this time and our soccer is in your room. Can I get it back, please?” 

根据短文内容，选择正确答案。

小题1:The underlined划线 word “sleep” means _____in Chinese.

A．故事

B．睡觉

C．睡椅

D．思想小题2:The children often break Mrs. Smith’s ____ when they play soccer.

A．doors

B．gardens

C．newspapers

D．windows小题3:One afternoon, Mrs. Smith is _____ at home.

A．seeing a movie

B．cleaming windows

C．watching TV

D．reading a newspaper小题4:The little boy _____ Mrs. Smith ‘s door.

A．knocks at

B．opens

C．breaks

D．closes小题5:The children’s soccer is _____.

A．in the garden

B．in the window

C．in Mrs. Smith’s room

D．Mrs. Smith

能起到药物性刮宫作用的激素是（）。

A.雄激素

B.孕激素

C.雌激素

D.胰岛素

E.甲状腺素

闪光对焊焊接参数主要有（）。

A.调伸长度

B.闪光留量

C.闪光速度

D.闪光电流密度

E.焊接时间

电子商业汇票必须记载的事项不包括（）。

A、出票人开户行行号

B、无条件支付的委托

C、收款人电子签名

D、是否转让标记

E、出票人类别

什么叫海上求生？