结构简单，能保护周围环境免受粉尘污染，被广泛应用于装卸粮食和

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问题单项选择题

结构简单，能保护周围环境免受粉尘污染，被广泛应用于装卸粮食和水泥等物料的散料输送设备是( )。

A．搬运机器人

B．链式输送机

C．辊道式输送机

D．气力输送系统

答案

参考答案：D

阅读理解

阅读理解。

John is a basketball fan (迷). He likes playing basketball very much. His favourite basketball player is

Michael Jordan. He is on the school basketball team. He often plays basketball after school.

George is John's good friend. He doesn't play basketball. He likes playing volleyball. He plays volleyball

every afternoon.

1. John likes _____. [ ]

A. volleyball

B. basketball

C. baseball

D. ping-pong ball

2. _____ is John's favourite basketball player.[ ]

A. George

B. Michael Jordan

C. Jonald

D. John

3. _____ is on the school basketball team.[ ]

A. John

B. George

C. Jordan

D. John's friend

4. Does George play basketball? [ ]

A. Yes, he does.

B. He likes basketball.

C. No, he doesn't.

D. We don't know.

5. Geoege plays volleyball _____. [ ]

A. every day

B. every morning

C. every afternoon

D. every evening

填空题

小明家装了空调，夏天小明有时发现窗户玻璃上有雾珠，这些雾珠应该出现在窗户的（填“内侧”或“外侧”）。冬天小明发现窗户玻璃上也有雾珠，这些雾珠应该出现在窗户的（填“内侧”或“外侧”）。这些雾珠的形成都是由于水蒸气的结果。