After numerous experiments, some doctors have made a ________ in the treatment o

After numerous experiments, some doctors have made a ________ in the treatment o

题型:四川省同步题难度:来源:
After numerous experiments, some doctors have made a ________ in the treatment of cancer. [     ]
A. breakdown  
B. breakup  
C. breakthrough  
D. breakout
答案
C
举一反三
Patience is an important ________ of a happy and rewarding life. After all, some things are worth
waiting for. [     ]
A. lesson  
B. experience
C. purpose  
D. quality
题型:四川省同步题难度:| 查看答案
Dogs have a very good ________ of smell and are often used to search for survivors in an earthquake. [     ]
A. sense  
B. view  
C. means  
D. idea
题型:四川省同步题难度:| 查看答案
单词拼写
根据下列各句句意和空白之后的汉语提示词,在指定区域的横线上写出对应单词的正确、
完整形式,每空只写一词。
1. It`s well-known that _______ (氧气) is a gas without color, taste or smell.              
2. Many young people want to gain _______ (独立) from their parents.
3. The youngsters have much interest in _______ (闲聊) online.
4. The brave officer ______ (营救) the kid from the burning building yesterday.
5. We should _______ (判断) a person by his deeds not by his appearance.
6. The housewife has just _______ (开车) her three children to school.
7. After these days’ climbing, they reached the top of the mountain _______ (成功地).
8. The _______ (第四) character is John Stevens, a young black engineer.
9. Carol worked as a sales manager in an _______ (澳大利亚的) company.
10. The heavy snow caused quite a few _______ (屋顶) to fall down.
题型:陕西省模拟题难度:| 查看答案
In the botanic garden we can find a(n) ________ of plants that range from tall trees to small flowers. [     ]
A.species  
B.group
C.amount  
D.variety
题型:四川省同步题难度:| 查看答案
No rule applies to all conditions without ________ in the world.[     ]
A.reputation  
B.expectation
C.reaction  
D.exception
题型:四川省同步题难度:| 查看答案
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