根据以下内容写一篇100词左右的说明文，标题为 “Australia” 。

1)、澳大利亚位于太平洋的西侧，面积760万平方公里。

2)、人口稀少，只有1，000多万，多数集中在东部沿海地区。

3)、首都堪培拉（Canberra）风景秀丽。

4)、悉尼（Sydney）是澳大利亚最大城市。有许多名胜，其中悉尼歌剧院（Opera House）闻名于世。2000年奥运会就是在悉尼举行的。

If you grow up in ______ large family, you are more likely to develop ______ ability to get on well with ________ others.

A．/; an; the          B．a; the; /           C．the; an; the        D．a; the; the

It was quite dark, but I could see a man _____ on the floor ______up.

A．lies ; tied          B．lying ; tied         C．lying ; ties         D．lie ; tied

The train arrives in Liverpool at 10 p.m. tonight . The plane I would like to take from there _______by then.

A．will leave          B．would have left     C．will have left       D．has left

— Jane and Joan have been friends for fifty years.

— No wonder they have such a lot in ______.

A．ordinary          B．average           C．common          D．normal

I didn’t pass the oral test, so I am not _____ the mood to tell jokes.

A．in               B．over             C．at               D．on

It was in 1990 ______ the medicine was tested on human patients.

A．since             B．that              C．before            D．when

Every morning, week in, week out, from dawn to dusk , he ______ his place on the bend.

A．makes up         B．picks up           C．takes up          D．turns up

— Has your mother finished her paper yet?

— I don’t know; she _______ it this morning.

A．wrote            B．has written        C．had written        D．was writing