根据句意用所给单词的适当形式填空。 It is ______________(nature) for a bird to fly.
It is ____________(polite) to ask a woman her age in western countries?
Our English teacher likes reading ____________(educate) books.
I like ____________(lie) on the grass in the sun in spring.
Do you think noise _____________(pollute) is a terrible problem?
短文填空(共10小题；每小题1分，满分10分)
根据短文内容及所给首字母提示写出所缺单词.使短文意思完整，每空一词.
More and more families like to k＿＿ dogs as pets. But not all dog owners think of others while they are walking their dogs. So many towns and cities around the world f
a mess of left-behind feces(粪便)from dogs.
In February of this year, a town in France started a new pto teach dog owners a lesson. The g
sent about 20 volunteers to search the streets carefully, looking for humans who wouldn't clean up after their dogs. The volunteers who seemed to have no clear aim would then move nearer to the pet owner, then start a conversation in order to get the dog's name. "W
the name of the dog and its type, we can e
discover the owner from the registered(登记) database(信息库)held in the town hall." an officer e
. The volunteers would then pick up the dog feces and the package would be p
to the pet owner's house. In the past few m
, the town has seen a 70% decrease减少)in the amount of dog feces left on public streets.
Maybe many cities in our country can follow its e. In this way there will be fewer complaints about dog owners.
根据句意，用括号内所给单词的适当形式填空，每空限填一词。Scientists in say they have _____ (success) produced the world’s first cloned camel.
The old bottle is quite _________(value) because it has a long history.
I suggest _______ (buy) her a teddy bear for her birthday.
Don’t you think it fun____________(ski) alone in the mountain?
The life that we are used to _______________ (change) greatly since the 1990s.
根据句意和汉语注释，写出单词的正确形式，每空限填一词。The sports meeting has to be _______ (取消) because of the heavy rain.
You must ________(回答) to my questions quickly.
His glaring eyes are looking straight＿＿＿(向上地 )。
She entered the film ______（产业，工业）many years ago.
Lily’s father looks happy because his daughter has made great______ (进步)this year.
词形转换（本题有10小题，每小题1分，共10分）
When it is very, very cold, there’s
根据短文内容和所给中文提示，写出空白处各单词的正确形式。每空限填一词。
A snake arrived from Asia in a box of bananas. It
One day, when Henry was working, the snake
Henry looked