B
In reading science, a heading (标题)often gives a clue (线索)to a problem that is going to be discussed .Getting the problem clearly in your mind is the first step to take in studying such material. You are advised to do this in reading science articles.
1. Read the title and think about it .
2. Read all of the headings .You should get a clear idea of what the problems are without reading anything but the headings.
3. Next , read the article all the way through carefully. Each time you come to a heading that names a problem, read the paragraphs under that heading to find out : 1. more information about the problem; 2.how the problem may be met .
41. This passage offers advice on _______.
A. how to read titles and headings B. how to find headings in an article
C. what problems to be discussed in science article
D. how to read science material
42. It is advisable for you ________.
A. to read the heading which you think is the title
B. to read the heading that names a problem
C. to read one heading and the paragraph under it each time
D. to read the headings only
43. Read the whole article after ________.
A. you have got all the information about the problem
B. you understand the title C. you have read one paragraph after another
D. you are clear about what to be discussed
44. You read the whole article carefully _________.
A. to get all the headings B. to see how the problem is discussed
C. to name problems D. to think about the title
C
Unemployment(失业)rose from 7.5&in June, 1996to 7.8% in July, 1996, the highest rate since January of that year , the Labor Department reported. The main reason was a large increase -----nearly 700, 000 in the labor force , with a record 61.9% of the population over sixteen years of age working or actively looking for work.
That growth was caused mainly by an increase in the number of women in the labor force , an increase partly because of a continuation of long ----term and economic trends(经济趋势)and partly a reflection of pressure on families to increase their incomes.
45. According to the announcement, which of the following statements is correct?
A. Unemployment in July was higher than it had been since January.
B. Unemployment rose at a steady rate form January to July.
C. Unemployment rose by about 7% from June to July.
D. Unemployment rose about 7% the first time in July.
46. Why did unemployment increase during the period discussed in the passage?
A. There are fewer jobs in summer. B. Many companies had dismissed workers.
C. The labor force had grown. D. Records have become more accurate(准确)
47. which of the following is said to be the main reason why more people are looking for work?
A. Young people start working younger.
B. Recent graduates have entered the labor market.
C. More people must have tow jobs to support their families.
D. More women have entered the job market.
48. It can be inferred that the labor force described in the passage is made up of __________
A. persons whose jobs are not professional(专业的)
B. persons who work at both permanent (永久)and full-time jobs
C. those over 16 years of age who are looking for work
D. about 60% of the country's population
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