2.氘核由1个中子和1个质子组成,若用
表示质子的静止质量,
表示中子的静止质量,
表示氘核的静止质量,c表示真空中的光速。则中子和质子结合成氘核时释放出的能量为
A.
B.![]()
C.
D.![]()
1.下列说法中正确的是
A.
射线比
射线更容易使气体电离
B.核反应堆产生的能量来自轻核的聚变
C.
射线在电场和磁场中都不会发生偏转
D.太阳辐射的能量主要来源于太阳内部重核的裂变
第一节: 基础写作(共1小题,满分15分)
上个月,你市的一家报社对你市道路空气质量进行了一项调查。 调查的内容情况如下:
[写作内容]
|
调查项目 |
调查结果 |
|
空气质量 |
污染严重,特别是在上下班的高峰期,情况更加严重。 |
|
原因分析 |
1. 私家车太多,近三年来以10%的速度增加。2. 路面窄, 车流速度慢。3. 道路附近的工厂排放的废气也是道路空气污染的原因之一。 |
|
呼吁 |
控制私家车的数量,大力发展公共交通。 |
[写作要求]
请用五个句子描述以上表格的内容要点。
[评分标准]
句子结构准确,信息内容完整,篇章结构连贯。
第二节 听取信息 (共5小题;每小题1分,满分5分)![]()
听下面1 段独白。请根据题目要求,从所听到的内容中获取必要的信息,填入答题卷标号为16~20的空格中。听录音前,你将有10秒钟的阅题时间。录音读两遍,你有80秒的作答时间。![]()
|
Drinking |
A person may not buy alcohol in
16.____________ if he / she is under the age of 18. |
|
Noise |
Don’t make unnecessary noise,
particularly at night, and respect other people who may wish 17.____________ |
|
Traffic |
Drive on the left side of the road. Use
the crossing for walking and do not take 18.___________ when crossing the
road. |
|
Littering |
It is against the law to throw away waste
materials 19.___________. |
|
Smoking |
It is 20. __________ to buy cigarettes or
tobacco if you are under the age of 16. |
第一节 听力理解(5段共15小题;每小题2分,满分30分)![]()
每段播放两遍,各段后有几个小题,各段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题,在5秒钟内从题中所给的A、B、C项中,选出最佳选项,并在答题卡上将该项涂黑。![]()
听第一段对话,回答第1-3题。![]()
1.
What’s
the relationship between the two speakers ?![]()
A. Professor and student.![]()
B. Manager and secretary.![]()
C. School master and teacher.![]()
2.
What
can we learn about the man?![]()
A. He is kind.
B. He is helpful.
C. He is careful.![]()
3.
What
can we learn from the dialogue?![]()
A. The man only pointed out two
mistakes by the woman.![]()
B. The woman always makes many
mistakes in her work..![]()
C. The man is too hard on the
woman all the time.![]()
听第二段对话,回答第4-6题。![]()
4.
What
are the two talking about?![]()
A. Mrs. Smith.
B. Mr. Downs.
C. Mr. Downs’ son.![]()
5.
How
long does a school day last?![]()
A. At least 8 hours.
B. About 6 hours.
C. Less than 4 hours.![]()
6.
How
does Jack usually go to school?![]()
A. By bus.
B. On foot.
C. By car.![]()
听第三段对话,回答第7-9题。![]()
7.
Who
answered the phone?![]()
A. Tom.
B. Tom’s wife.
C. Susan.![]()
8.
When
are they going to New
Zealand?![]()
A. In half a year.
B. In a couple of
months. C.
In two weeks.![]()
9.
Where
are they going to meet?![]()
A. At Susan’s.
B. At Tom’s.
C. In New Zealand.![]()
听第四段对话,回答第10-12题。![]()
10.
Why
does the speaker give the talk to the students?![]()
A. To scold them.
B. To praise them.
C. To encourage them.![]()
11.
How
does the speaker offer to help the students?![]()
A. By letting them skip(不参加)the test.![]()
B. By talking to them in person.![]()
C. By treating them like Einstein.
![]()
12.
What
exam will the students have after their meeting with the teacher?![]()
A. The final.
B. The midterm.
C. The test on Einstein.![]()
听第五段对话,回答第13-15题。![]()
13.
What
can Maria see?![]()
A. Many trains.
B. Many planes.
C. Many people.![]()
14.
What’s
the woman afraid of?![]()
A. Driving in.
B. Taking ferries.
C. Getting lost.![]()
15.
What
kind of city is New York,
according to the man?![]()
A. An easy city to get around in.![]()
B. A city full of subways.![]()
C. A city difficult to get around
in.![]()
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