咸潮（又称咸潮上溯、盐水入侵），是一种天然水文现象。当淡水河流量不足，令海水倒灌，咸淡水混合造成河口水体变咸，即形成咸潮。读“长江口内咸潮入侵示意图”，一般情况下，就南支的北港和南港咸潮入侵强度来比较，下列说法正确的是

2015年10月5日，中国女科学家屠呦呦获颁诺贝尔医学奖。1971年，屠呦呦受到中医药典籍启发，提出用乙醚低温提取青蒿素有效成分。1972年，研究人员成功提取了高效抗疟成分青蒿素。2004年5月，世卫组织正式将青蒿素复方药物列为治疗疟疾的首选药物。据此回答问题。

    Mr. and Mrs. Brown lived in a short and wet room last year. Now their daughter was born, the room was too narrow for them to live in. Last Friday, after the factory paid out wages（工资）, Mr. Brown had to borrow some money from his friends and bought an old house. It's a little bigger and drier than the old one. But the walls were very dirty. Mrs. Brown told her husband to paint them.
    It was Saturday. Mr. Brown didn't go to work. He came in a paint shop and bought two cans（罐） of paint. It was made in(由┅生产) Japan. He looked at the directions(说明书) for a long time, but he couldn’t understand it at all. Before leaving the shop, he had to ask the shopkeeper, “Can I put this paint on myself, sir?”
    It seemed the shopkeeper didn’t understand him. He looked at Mr. Brown up and down and then he said,” You'd better put it on the wall, sir. It would look better, I think.”
____ Mr. Brown works in a _______________.
____ There are _____________ people in Mr. Brown's family now.
____ The house they bought was a little bigger and drier, but the walls were very _______.
____ Mr. Brown bought two cans of paint, but he didn't _______________ the directions.
____ The two cans of paint are made in _______________.
____ The shopkeeper thought Mr. Brown would paint not on the walls, but on his _______.

补全对话。

A. I prefer to live on a low floor.

B. What a high floor!

C. Where do you live?    

D. How many floors are there in your flat?

E. Which floor do you live on?

F. I also like to live high.

G. It's convenient to climb up the stairs if there is not a lift to take.

George: I heard you moved to a new flat to live in. ____ 

Millie: I live on the twenty-second floor.

George:____

Millie: Yes. I like living high because I can enjoy a good view.

George:____

Millie:____

George: Seven.I live on the third floor.

Millie:____