AGC是用改变轧机的机械辊缝值的方法消除温度变化引起的轧件厚度变化。

小题1:The Summer Camp will last for _______.

A．two days

B．a month

C．more than a month

D．less than a month小题2:Who can join the Summer Camp?

A．Children over two years old.

B．Boys and their parents.

C．Girls over the age of 18.

D．All children aged 3-16.小题3:Which of the following courses are provided for the children of different ages?

A．Public Speaking, English, GK.

B．English, Basic French and Dance.

C．Dance, Art & Craft and Personality Devp.

D．Personality Devp, Dance and English.小题4:If you want to join the Summer Camp, you’d better _______.

A．book your seat as soon as possible because the seats are limited(有限的)

B．surf the webs as soon as possible

C．make a telephone call to them

D．email them as soon as possible小题5:From the poster of the summer camp, we know _______.

A．the camp is free of charge

B．children aged 3-5 have more courses

C．we can book the seats only in two ways

D．the summer camp has courses mainly in the afternoon

The iphone 4s, ________ by Apple, sells well across the world.

A．produce

B．produced

C．producing

D．to produce

典型的失神发作脑电图的特点为（）

A.背景活动正常，出现双侧对称的有规律的2.5Hz的棘慢波综合

B.背景活动不正常，出现双侧对称的有规律的3Hz的棘慢波综合

C.背景活动正常，出现双侧不对称的3Hz的棘慢波综合

D.背景活动不正常，出现双侧不对称的3Hz的棘慢波综合

E.背景活动正常，出现双侧对称的有规律的3Hz的棘慢波综合

有以下程序　　main(　)　　{　int k=4,n=0;　　　for( ; n＜k ; )　　　{　n++;　　　　if(n%3!=0) continue;　　　　k--;　}　　printf("%d,%d\n",k,n);　　}　　程序运行后的输出结果是（ ）。

A．1,1

B．2,2

C．3,3

D．4,4

（6分）水在实验室和日常生活中有着十分重要的作用。

（1）在实验室里，水除了可以用来刷洗仪器，还可以       （写出一种用途即可）；

（2）医院在给病人输液时，常使用0.9%生理食盐水，该食盐水中溶质与溶液的质量比为_________；现要配制500g溶质的质量分数为0.9%生理食盐水，需要水的质量是_________。

（3）20℃时，分别向盛有10g水的两支试管中，加入等质量的甲、乙两种固体物质，使其充分溶解，可观察到如下图1所示的现象。

①20℃时，             （填“A”或“B”）试管中的溶液一定是饱和溶液；

②上图图2中表示甲物质的溶解度曲线的是      （填“a”或“b”），

要使A试管中剩余的固体继续溶解可采用的方法是            。