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问题 多项选择题

下列需与非骨化性纤维瘤鉴别的肿瘤或肿瘤样病变有（）

A.骨样骨瘤

B.骨巨细胞瘤

C.纤维性骨皮质缺损

D.骨纤维结构不良

E.良性间叶瘤

答案

参考答案：A, B, C

阅读理解
根据短文内容完成句子。
      Here is a page from a magazine named Future. Read the following information about things that may happen
in ten years.
Cars will run on solar power or electricity and will be much cleaner. They will be much safer. For
example, if you are too close to another car or if you are driving dangerously, your car will slow down
by itself.

Because there won't be any spare land, new cities will have to be built in the sea. Some cities on water
will have two levels. People will live on the upper level; the lower level will be used for traffic, shops and
factories.

Biotechnology (生物工艺学) will make food better and healthier. Plants that are not affected by insects
or illnesses will be developed. The taste of fruits and vegetables will be better and food will be kept
longer.

New technology will be used to make TVs that are only 5cm thick. They will have pictures that are as
clear as photos. Electrical appliances(设备) will be quieter and will be controlled by computers; they will
also use 50% less power.

Many new ways to cure illnesses will be successful by using products of genetic engineering. Cures will
be found for the flu and the common cold. However, some new illnesses will appear.
1. Cars using solar power or electricity will cause               accidents and               pollution.
2. People will be able to live in the new cities in the              .
3. Biotechnology will make the fruits and vegetables               and keep the food              .
4. Electrical appliances will be               and will be controlled by              .
5. Genetic engineering can help doctors to cure              .
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单项选择题 A1/A2型题

对医院污水使用含氯消毒剂进行消毒，下列方法正确的是（）

A.干粉按有效氯25mg/L用量加入污水中，作用1小时后排放

B.干粉按有效氯25mg/L用量加入污水中，作用2小时后排放

C.干粉按有效氯50mg/L，用量加入污水中，作用1小时后排放

D.干粉按有效氯50mg/L用量加入污水中，作用2小时后排放

E.干粉按有效氯100mg/L用量加入污水中，作用30分钟后排放
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