纸是由木头制成的。

Paper　 　 　 　 　 　wood.

答案：is made from

麦克和汤姆都擅长汉语。

　 　Mike 　 　Tom are good at Chinese

答案：Both;and

喝牛奶对我们的健康是有益的。

Drinking milk 　 　 　 　 　 　our health.

答案：is good for

Rice 　 　 in the south of China.

A.grows B.grow C.is growing D.is grown

It 　 　 that some students like playing better than studying.

A. seemed B. seems C. is seemed D. is seeming

There are some 　 　 (硬币) on the table.

答案：coins

Is the ring made of 　 　 (银)?

答案：silver

答案：1.A;2.G;3.C;4.D;5.F

答案：1.T;2.T;3.F;4.T;5.F

普通食醋中含3%~5%的醋酸．下列属于醋酸化学性质的是（　　）

A:常温下为无色液体 B:能溶于水 C:易挥发 D:能使紫色石蕊溶液变红