阳阳同学做了一个趣味实验，他把气球中的镁屑加入到盛有稀盐酸的

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问题选择题

阳阳同学做了一个趣味实验，他把气球中的镁屑加入到盛有稀盐酸的锥形瓶中，整个实验过程如图所示（实验装置的气密性良好）．他关于本实验的下列说法中不正确的是（　　）

A．本实验能说明镁与稀盐酸反应时，有气体放出

B．本实验能说明与稀盐酸反应时，镁屑比镁条更快

C．本实验能说明镁与稀盐酸反应有热量放出

D．本实验能说明温度降低时，分子间间隔变小

答案

答案：B

选择题

下面如图方框中的四个图像，其中一个是福娃在竖直放置的平面镜中的像，你认为应当是：

完形填空

动词填空用括号内所给动词的适当形式填空，并将答案写在答题卡标有题号的横线上。（本大题共8分，每小题1分）

小题1:--- Do you know the places of interest in Wuxi?

--- Yes, it’s the second time I ________ (visit) this beautiful city.

小题2:I think your car needs ________(check) every year, or it may break down on the road.

小题3:Jack told me that they ________ (return) to the USA from Shanghai at the end of next November.

小题4:Today, the overuse（过渡使用）of cars in many big cities (regard) as one of the main

causes of air pollution.

小题5:Now pollution is becoming more and more serious, many old people prefer ________ (live) in the

clean and peaceful countryside.

小题6:Oil __________ (catch) fire easily. You must be very careful.

小题7:Mr. Jiang was angry that the robot shop _________ (not deal) with the robot that went wrong yet.

小题8:It’s reported that the 2014 Youth Olympic Games _________ (hold) in Nanjing on August 16^th.