allows too many branches to grow in the middle
does not protect them from wind
forces them to grow too quickly
damages some of the small side branches
第1题:
Trees____fightairpollution.Theyarenaturalairconditioners.
A.should
B.must
C.need
D.can
第2题:
Many people blame the fast food industry for its unhealthy food offered.()
第3题:
_____________ we plant, _________________our city will be.
A. The more trees, the beautiful B. The less trees, the more beautiful
C. The more trees, the more beautiful D. The less trees, the beautiful
第4题:
第5题:
My Deratization Exemption Certificate will ______ by the end of this month.
A.become due
B.become valid
C.become lawful
D.become effective
第6题:
The gardener is taking care of the place, no one _____ there at present.
A:living
B:lives
C:lived
D:to live
第7题:
Which of the following usually causes a tree to grow unhealthy?
A. Giving a tree a special shape and a definite height.
B. Removing small side branches and making a tree look less thick.
C. Allowing too many branches to grow in the middle.
D. Having a tree surrounded by many other trees.
42.答案为C 根据第二段A tree may grow healthier by removing the branches that are locking up the centre可知树中间的枝杈不利于树木生长,C与文章内容相反,因此错误。
第8题:
4.— Did you have anyone ______the trees?
—Yes,l had the trees ______.
A. to water ;water
B. to water; watered
C. water ; to be watered
D. water; watered
第9题:
As a cold front passes an observer, pressure ______.
A.drops and winds become variable
B.rises and winds become gusty
C.drops and winds become gusty
D.rises and winds become variable
第10题: