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阅读理解 There is a growing problem of what to do with electronic waste such as old televisions, computers, radios, cellular telephones and other electronic equipment. Electronic trash, or e-waste, is piling up faster than ever in Ameri can homes and businesses. People do not know what to do with old televisions or computers so they throw them in the trash. National Solid Wastes Management Association(NSWMA) state programs director Chaz Miller says the large amount of electronic waste Americans produce is not unexpected. The US Environmental Protection Agency (EPA) estimates more than 400 million consumer electronic items are dumped each year, and there is a push by more states to ban the waste from landfills(垃圾填 埋场) and create recycling programs. They can be torn apart and sorted for useable parts. Mike Fannon who runs the plant in Baltimore, says, 'There are a lot of valuable metals that can be recovered and reused instead of just putting them in the landfill, and in certain components there are some materials that should not really be in the landfill,' Fannon explained. Fannon says nearly 20 percent of electronic waste is recycled nationwide. Thirteen years ago, it was only about 6 percent. Recycling rates continue to rise as more communities have banned electronics from landfills in an effort to keep e-waste poisons like lead(铅) and mercury(汞) out of garbage dumps. This year several states like Vermont imposed a ban on electronic waste in landfills. More than 25 other states have also adopted landfill bans, e-waste recycling programs or both. Chaz Miller says more can be done to boost electronic waste recycling. 'We can do much better,' noted Miller. 'I think clearly our goal should be to do as well as we do recycling newspapers.' 1. Which of the following does NOT belong to e-waste? A. Old televisions. B. Old computers. C. Old cell phones D. Old newspapers. 2. Why is e-waste banned from landfills in many states? A. Because it can not be recycled. B. Because it might damage the environment. C. Because it can be shipped to other countries. D. Because the landfills are already full. 3. According to Mike Fannon, what might be the best way of dealing with e-waste? A. Recycling it. B. Selling it. C. Burying it. D. Breaking it. 4. What can we learn from the passage? A. At present, less then 10 percent of e-waste is recycled. B. Chaz Miller works for EPA. C. All states in the US have banned e-waste from landfills. D. Experts are optimistic about the future of e-waste.
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【单选题】转动目镜对光螺旋的目的是
A.
看清十字丝
B.
看清物像
C.
消除视差
D.
调节光线亮度
【简答题】用列举法表示下列集合 (1)所有小于5的组成的集合; (2)绝对值小于4的所有整数组成的集合。
【多选题】关于消费者均衡点的下列看法正确的有( )。
A.
均衡点位于预算线上
B.
消费者均衡点在理论上可以脱离预算线而存在
C.
均衡点由预算线和无差异曲线的切点决定
D.
在消费者均衡点上,预算线与无差异曲线斜率相等但符号相反
E.
均衡点可以是无差异曲线上的任意一点
【单选题】—— Where did you first meet Kyle? —— It was in the training centre ______ he worked.
A.
that
B.
there
C.
where
D.
which
【多选题】若有条件表达式"if(a
A.
(a
B.
(a
C.
(a
D.
(a
【单选题】下列那一项不能作为传染源
A.
临床症状病人
B.
受感染的动物
C.
病原携带者
D.
恢复期病人
E.
受污染的食物
【单选题】转动目镜对光螺旋的目的是
A.
看清十字丝
B.
看清物像
C.
消除视差
D.
【单选题】Nobody knows ____.
A.
.what wrong is.
B.
.when did he come back.
C.
.if Kyle will play the solo.
【单选题】消除视差的方法是(    )使目标成像在十字丝平面上。
A.
转动物镜对光螺旋    
B.
转动目镜对光螺旋
C.
反复交替调节目镜及物镜对光螺旋
【多选题】关于消费者均衡点的下列看法正确的有
A.
均衡点一定位于某条预算线上
B.
消费者均衡点可以脱离预算线而存在
C.
均衡点由预算线和无差异曲线的切点决定
D.
在消费者均衡点上,预算线与无差异曲线斜率相等
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