问题
选择题
如图所示，是一组活动卡上的实验图片，为了探究音调与什么因素有关，你认为不能完成探究目的是（ ）
A．
改变钢尺伸出桌边的长度
B．
塑料尺接触齿数不同的齿轮
C．
敲动盆子泡沫屑跳动
D．
将吸管的另一端逐渐剪短
答案
答案：C
搜题请搜索小程序“爱下问搜题”
如图所示，是一组活动卡上的实验图片，为了探究音调与什么因素有关，你认为不能完成探究目的是（ ）
A．
改变钢尺伸出桌边的长度
B．
塑料尺接触齿数不同的齿轮
C．
敲动盆子泡沫屑跳动
D．
将吸管的另一端逐渐剪短
答案：C
| 情景搭配。 | |
| ( ) 1. What are you going to do? ( ) 2. May I speak to Helen? ( ) 3. What's the weather like in spring? ( ) 4. What's your favourite holiday7 ( ) 5. How can I get to the post office? ( ) 6. What's wrong with you? ( ) 7. Whose bag is bigger, yours or mine? ( ) 8. How far is it from here? ( ) 9. How old are you? ( ) 10. How many stops are there? | A. Yes, speaking. B. It's about two kilometres away. C. Halloween. D. Forty. E. I've got a bad cold. F. It's warm and windy. G. Take bus No.5. H. Only two. L. We are going to have a picnic. J. Yours is, I think. |