根据句子内容和汉语提示，用所给词的正确形式填空（一空一词，每题1.5分，共15分,请把正确的词写在答卷纸上）
71. John Snow wanted to face the _____________( 挑战 ) and solve this problem.
72. He found that it came from the river __________( 污染 )by the dirty water from London.
73. The southern part of Ireland was unwilling and _________(脱离) away to form its own government.
74. For convenience, it is divided _________( 大约 )into three zones.
75. At first my new ________(环境) were difficult to tolerate.
76. These carriages float above the ground and by bending or _________(按，压) down in your seat.
77. We are __________(高兴的) you are coming to work with us.
78. __________(与此同时) you have to prepare the next question depending on what the person says.
79. The functions of your skin are also very __________(复杂的).
80. You can get burned by a _________(多样) of things: hot liquids, steam, fire, radiation ect.
单词拼写C______with other countries was difficult during the telephone and postal strike.
The weather v______from year to year with the pollution being more and more serious.
—What's the matter?
—The bike hit a rock and turned over. Fortunately, he was s______hurt.It's none of other's business, so don't i______ other people in your trouble.
Be careful about the news on red fire ants—take measures to prevent the possible s______of them.
单词拼写As soon as we arrived on the island we were eager to e______to find the natural resources.
—Look! Everything here is under c______.
—Oh! Has the museum once built for exhibiting Nantong kits been pulled down, too?We didn't know about the news because we only s______on halfway through the programme.
I wonder why he is in such a bad m______today since no one has scolded him.
If we live in the s______areas, we must be careful about many crimes.
单词拼写It is said that the designs for the new sports hall are on________(展出)in the library.
Weather________(允许), I want to go out for a picnic this Sunday.
Let's meet at the station if it is________(方便)to you.
You can't imagine the difficulty the________(单身)mother had bringing up her three children after their father died.
Facing the emergency, we were at a loss and none of us could come up with a________(解决)to the problem.
He________(参加)a revolutionary organization headed by Lord Stanhope.
Can you tell me how much you________ ________(花钱买)the book?
The problem was that it was too valuable for________(日常的)use.
Every man is a fool________(有时), and none at all time.
She never________(分担)any of her husband's worries in the past.
单词拼写It is said that the designs for the new sports hall are on________(展出)in the library.
Weather________(允许), I want to go out for a picnic this Sunday.
Let's meet at the station if it is________(方便)to you.
You can't imagine the difficulty the________(单身)mother had bringing up her three children after their father died.
Facing the emergency, we were at a loss and none of us could come up with a________(解决)to the problem.
He________(参加)a revolutionary organization headed by Lord Stanhope.
Can you tell me how much you________ ________(花钱买)the book?
The problem was that it was too valuable for________(日常的)use.
Every man is a fool________(有时), and none at all time.
She never________(分担)any of her husband's worries in the past.
单词拼写A reward will be offered to information leading to________(逮捕)of the bank robber.
—Is there any l ______to the time I can stay here?
—Yes. You must leave here before he comes back.—Was it what you expected?
—Yes, d______.For many thieves who often steal something, society doesn't know how to deal with hardened c______.
If we want to save the people, life as an aid worker can be a r______ business.