It'saletter __________ LiMing.[ ] A.on B

Many people are interested in UFOs and there are a lot of reports about them. One report of UFOs came from a British plane on its way from New York to London in 1954.The British plane was flying over an island at 19,000 feet when the captain(机长) noticed that something was on their left and a little lower(更低) than their plane. It was about five miles away.

“It was not one object but several ones.” the captain said, “We saw one large and six smaller objects. I sent out a radio report about them and I got some information that the other planes were coming out to meet us. Before the planes arrived, the smaller objects went into the big object. The big object then became smaller and moved away fast.”

小题1:A British plane flew to _______ in 1954.

A．Now York

B．London

C．Beijing

D．Sydney小题2:There was something on the _______ of the plane.

A．above

B．middle

C．left

D．right小题3:The captain saw _______ in the sky.

A．there was something higher than their plane

B．there was one large object and six smaller objects

C．the big object disappeared at once

D．all of above小题4:_______ would come to meet them.

A．The other planes

B．The other captains

C．A UFO

D．The radio小题5:This passage is mainly about _______.

A．the radio

B．a British plane

C．seven objects

D．one report about UFOs

-3的绝对值等于（　　）

A．-3

B．3

C．±3

D．小于3

《中华民国临时约法》颁布是在     年；我国第一颗原子弹爆炸成功是在      年。

街道社区“四知四清四掌握”工作机制十项基本制度是什么？

用不超过350字的篇幅，提出解决给定资料所反映问题的方案。要有条理地说明，要体现针对性和可操作性。