阅读下面的短文，选择正确答案。

It is morning. The boy can hear a sound from his clock. It is time to get up.

The boy talks with his mother. He can hear his mother's words.

The boy and his mother walk to school. They can hear cars on the road.

They can hear a train. It is not safe to walk over the tracks.

1 The sound is from_____in the morning.

A. his cock

B. his clock

C. his dog

D. his garden

2 The boy and his mother_____.

A. ride bike to school

B. run to school

C. drive to school

D. walk to school

3 It is_____to walk over the tracks when there is a train.

A. safe

B. dangerous

C. quiet

D. noisy

生词

sound［saʊnd ］ n. 声音

track［træk ］ n. 铁轨

dangerous［ˈdeɪndʒərəs ］ adj. 危险的

noisy［ˈnɔɪzi ］ adj. 喧闹的，发出噪声的

参考译文

早上，男孩听到闹钟发出的声音。该起床了。

男孩和妈妈说话。他能听到妈妈的话语。

男孩和妈妈步行去上学。他们能听到马路上汽车发出的声音。他们能听到一辆火车发出的声音。这时穿越铁轨是不安全的。