Don’t be afraid ___ mistakes when you sp

题型:选择题

问题:

Don’t be afraid ___ mistakes when you speak English.

A.to make

B.of making

C.that make

D.making

考点:介词和介词短语
题型:选择题

据媒体报道,我国现今至少有10%的中小学生沉迷于电子游戏。专家指出,青少年一旦沉迷于电子游戏,就会产生越来越强烈的心理依赖和反复操作的渴望,不能操作时便会出现情绪烦躁、抑郁等症状。据报道,近几年来因迷恋网络游戏,导致学生学习成绩下降,或者学业荒废而退学的学生占了很大比例。这一现象说明[ ]

A.电子游戏本身是一种非常有害的娱乐,应当取缔

B.青少年沉迷于电子游戏有很多危害

C.青少年要拒绝网络

D.玩游戏可以磨砺意志

题型:选择题

根据语境补全对话。(5分)

小题1:--- Maria felt sad because she failed to pass the physics exam.

--- __________________.

A.She can’t be like that.

B.What a pity!

C.She had better go to see the doctor.

小题2:--- Hi, Jane! What’s the matter with your mother?

--- ___________________.

A. She met her good friend in the street.

B. She feels nervous because she has to give a speech tomorrow.

C. She wants to buy a ticket to the film.

小题3:--- Hello, Miss Su! _______________.

---- Maria is still in the classroom, but the door is closed.

A. Anything wrong?   B. Something wrong?    C. Can I help you?

小题4:--- Michael, I think I will get nervous when I answer the teacher’s question.

--- ______________________________.

A.I think so.       B.Don’t be shy.         C.Take it easy.

小题5: --- Kangkang, my father invites you to have dinner tonight.

--- ______________________________.

A.Please say hello to your father.

B.That is a good idea.

C.Great! Please say thanks to your father.

题型:选择题

“平衡三联”是指()。

A.耳鸣、耳聋和眩晕

B.前庭、视觉及本体感觉3个系统

C.半规管、椭圆囊及球囊

D.水平眼震、旋转眼震和垂直眼震

E.前庭、小脑和视觉

题型:选择题

干粉显象剂污染的来源主要包括()、()、()

题型:选择题

以下程序是求数组a中偶数的个数和偶数的平均值。请填空。 main() {int a[10]={1,15,16,18,14,17,24,23,12}; int k,i,j;float ave; for(k=i=j=0;j<10;j++) {if(a[j]%2!=0)continue; i+=______; k++;} if(k!=0){ave=i/j;printf("%d,%f\n",k,ave);} }

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