听独白回答问题。 |
1. How many glasses do you need in the experiments. |
A. One B. Two C. Three |
2. What's the tape for? |
A.To hold the paper onto the glasses. B.To hold the paper together. C.Not to let water run out. |
3. In the experiment, one piece of paper is white and the other is _______. |
A. red B. blue C. black |
4. In hot weather, what clothes will you wear? |
A. Heavy clothes B. Dark-colored clothes C. Light-colored clothes |