下列哪项不是艾滋病的传播途径A．垂直传播 B．性接触传播 C．_爱下问搜题

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问题单项选择题

下列哪项不是艾滋病的传播途径

A．垂直传播

B．性接触传播

C．蚊虫叮咬

D．通过血液制品传播

E．器官移植

答案

参考答案：C

完形填空

完形填空。
Zhou Xingchi is very famous (著名) in China. He is a great __1__. He __2__ very funny, __3__ many people like him. He has many movies. His new __4__ Kung Fu is a __5__ ,__6__ it is funny. It __7__ a good movie. Many people like __8__ . There are many famous actors in this movie. All of them can make us happy. Zhou Xingchi is my favorite star. My friend , John __9__ him, too. We both think his new movie is very __10__ .
( ) 1. A.teacher ( ) 2. A. is also ( ) 3. A. and ( ) 4. A. sport ( ) 5. A. comedy ( ) 6. A. and ( ) 7. A. really is ( ) 8. A. me ( ) 9. A. liking ( ) 10. A. excited	B. actor B. also is B. or B. book B. comedys B. so B. is really B. her B. like B. interested	C. player C. really is C. but C. movie C. comedies C. but C. also is C. him C. likes C. boring	D. acter D. is really D. / D. movies D. comdy D. or D. is also D. it D. love D. exciting

填空题

如图所示，是脚踩式垃圾桶的原理示意图，当打开桶盖时，竖杆CE对C点的压力是10N。请你用刻度尺测出F₁的力臂L₁＝　　　　　cm，F₂的力臂L₂＝　　　　cm，则打开桶盖时脚踩踏板的力是 N。