题目内容
（请给出正确答案）
A) has been insisting
B) had insisted
C) would insist
D) insisted
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更多“Things might have been much worse if the mother ________ on her right to keep the b”相关的问题
A．has been insisting
B．had insisted
C．would insist
D．insisted
A．are puzzled by the mystery of forest pollution
B．feel relieved by the use of unleaded gasoline
C．still consider lead pollution a problem
D．lack sufficient means to combat lead pollution
Not all students look at college as an investment, "but I am sure parents do," said Jacque line King, policy analyst with the American Education Council, a higher education advocacy (拥护) group. "The college is to convince those high school students on the margins that it is really worth their time to go to college." Kevin Malecek, a graduate student in American poli tics at American University in Washington said most of his classmates find higher education to be worth the time and financial promise. "They go to every single class, and they are trying to get the most out of their own dollar," he said. The survey was conducted between March 1998 and March 2000. All estimates are based on 1999 salaries and probably will increase as salaries rise over time, Census Bureau analyst Jennifer Day said. The estimates do not account for inflation (物价上涨) or for differences in the earning potential of various fields of study. For example, people with computer science degrees tend to earn more than those with social work degrees.
The phrase "students on the margins" in Line 3 of Paragraph 2 most probably refers to ______.
A．students Who actually regard higher education as an investment
B．students who can't afford the money to go to college or university
C．students who can't go to college because they have failed in the college entrance examination
D．students who don' t know whether higher education can have great influence on their earnings
The new law poses a few challenges to manufacturers who are now rushing to set up collection networks and perfecting techniques to disassemble and recycle older products.With an eye toward the future, they are also integrating easily recycled materials into new products. Plastics, a major component of most electronicproducts,pose a particular obstacle because their quality becomes worse and worse with age,losing strengthand flexibility even if reprocessed.NEC Corp. overcomes this problem by creating a plastics sandwich, in which the filling is 100 percent recycled plastic and the outer layers a mixture of 14 percent recycled material.The resulting plastic has sufficient strength and toughness for use as a case for desktop PCs. The company, in cooperation with plastic maker Sumitomo Dow, has also developed a new plastic, which engineers claim retains its mechanical properties through repeated recycling. NEC uses the plastic, which is also flame-retardant (阻燃的) in battery cases for notebook PCs.
Meanwhile, Matsushita Electric, maker of the Panasonic brand, is avoiding plastic in favor of magnesium (镁). Magnesium, says the company, is ideal for re cycling because it retains its original strength throughrepeated reprocessing. Matsushita has developed molding techniques to form. magnesium into the case for a 21-inch TV. Unfortunately, the magnesium case and energy-saving features make the TV about twice as expensive as an ordinary model.The company hopes, however, that increased use of magnesium will eventually bring prices down.
Choose correct answers to the question:
According to the present regulations of Japan, the recycling of paper and plastic will be the responsibility of______.
A.the government
B.the manufacturers
C.the consumers
D.the sellers
Which of the following is NOT the character of plastics?A.Most electronic products contain plastics.
B.It retains its original strength through reprocessing.
C.Recycled plastics can be integrated into new products.
D.Plastics will lose flexibility after a certain period of time.
According to the passage, the term “plastic sandwich” refers to_____.A.a kind of sandwich-shaped toy made of plastics
B.a kind of plastics with different integration in each layer
C.a kind of plastics with maximum strength and flexibility
D.a kind of plastics made of 100% recycled materials
In the passage, it is implied but NOT stated that_____.A.disposing the plastics is one of NEC Corp’s businesses
B.magnesium is an ideal material for the case of TV
C.21-inch TV with magnesium case isn’t very popular so far
D.magnesium must be better than the plastics
The author writes this passage in order to_____.A.inform
B.instruct
C.predict
D.persuade
请帮忙给出每个问题的正确答案和分析，谢谢！
A．behavioral
B．perceptual
C．material
D．artistic
A) by
B) for
C) to
D) in
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