从妇女体内取出卵子，在体外培养一阶段与精子受精，再将发育到一定时期的胚泡移植到妇女宫

Li Ming and Li Tao are twin brothers . They look the same . They’re Chinese . Jim is an English boy . He’s Li Ming and Li Tao’s classmate. He’s twelve years old . His sister’s name is Joy. She is thirteen . They are all in No.12 Middle School .They are good friends .Oh, Jim has a cat . Its name is Kitty. Jim likes it very much.

小题1:Jim and Li Tao are _____________

A. brothers    B. classmate     C. twins

小题2:Joy is ___________.

A. a Chinese girl     B. an English girl     C. an American girl

小题3: How old are the twins?

A. We don’t know.  B. Twelve.  C. Thirteen.

小题4: What does Jim have?

A. A cat named Mimi  B. A cat named Kitty.  C. A bird named Polly.

小题5:Who likes the cat very much?

A. Jim.  B. Joy.  C. Li Ming.

某孕妇习惯流产2次，查原因为黄体功能不足，目前孕8周，予肌注黄体酮保胎。其剂量为每日（）。

A.10mg

B.15mg

C.20mg

D.25mg

E.30mg

商店里有六箱货物，分别重15、16、18、19、20、31千克，两个顾客买走了其中五箱，已知一个顾客买的货物重量是另一个顾客的2倍。商店剩下的一箱货物重( )千克。

A．16

B．18

C．19

D．20

       某工厂要赶紧完成一批产品，这批活数王师傅最拿手。张副厂长对王师傅说：“这批活明天一定要完成，否则就扣你的奖金！”王师傅一听就生气回了家。李厂长赶忙给王师傅打电话，结果，王师傅回话说：“你这么看得起我，搏一搏啦！”马上兴冲冲地赶回厂里加班。请你设计出李厂长讲话的内容。

_______________________________________________

科举制度成为我国主要的选官制度是在：（）

A.秦朝

B.魏晋南北朝

C.两汉

D.隋唐