【判断题】
煤块在常温下不易着火，更不易发生爆炸。因此煤矿开采和加工一般不用防爆
A. 对
B. 错
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答案
B
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【判断题】
安全阀是一种由进口静压开启的自动泄压装置，防止容器超压。当容器内压力超过某一值时，阀门依靠介质自身压力自动幵启，迅速排除一定数量的介质。但是当容器内压力降低到允许值时，阀门不会自动关闭
A. 对
B. 错
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【单选题】
Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
A. At a cafe .
B. On a train .
C. At a cinema .
D. In a bookstore .
【单选题】
Q3: What are J. K. Rowling’s future plans?___
A. She won't write any more books .
B. She will write more magic stories .
C. She hasn't said anything about her future plans .
D. She said she would work on more serious subjects .
【单选题】
Q4: What are the two speakers mainly talking about?___
A. J.K. Rowling's secret .
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C. A new book by J .K.Rowling.
D. An interview with J .K .Rowling .
【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
A. He broke the milk bottle .
B. He fell down on the floor .
C. He made a mess inside the refrigerator .
D. He spilled the milk over the kitchen floor .
【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen？___
A. She gave him a long lecture .
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D. She cleaned up the mess with him .
【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
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【单选题】
Q4: What did Stephen learn from this experience?___
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B. Mistakes are just like scientific experiments .
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【单选题】
Q1: Why is surfing the man’s favorite activity?___
A. Because he likes the sunny weather.
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【单选题】
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【单选题】
Q3: What does the woman love doing?___
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【单选题】
Q4: What does the man remember doing with his brothers?___
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【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
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【单选题】
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【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
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【单选题】
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【单选题】
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【单选题】
Q3: Why did the man’s mom give him a big hug?___
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【单选题】
Q4: What color is the girl going to wear for her next competition?___
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【单选题】
Q1: What is this passage mainly about?___
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【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
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【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
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【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
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【单选题】
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A. 4 hours .
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【单选题】
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【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
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【单选题】
Q4: How will the new high-speed train affect the man?___
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【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
Q2: Why did some stores open at midnight on Thanksgiving night?___
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【单选题】
Q3: How many Black Friday shoppers were reported to go to the shops at midnight this year?___
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【单选题】
Q4: What can we learn about the 15-year-old Jenny?___
A. She and her cousins went back home at midnight .
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【单选题】
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