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问题 单项选择题

国家标准编号方法是（）

A、国家标准名称代号+标准颁发顺序号+颁发年份

B、标准颁发顺序号+颁发年份+国家标准名称代号

C、颁发年份+标准颁发顺序号+国家标准名称代号

D、标准颁发顺序号+国家标准名称代号+颁发年份

答案

参考答案：A

阅读理解
阅读理解。
     Here is a page from a magazine named Future. Read the following information about things that may
happen in ten years. 
                                                                        A
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.
                                                                        B
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.
                                                                        C
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.
                                                                        D
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.
                                                                        E
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.
根据短文内容完成句子。
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

在商店里，大部分商品都是尾数价格，如一双皮鞋的价格是298元，而不是300元，请问商店根据是什么这样定价( )

A．价格法
B．行业规定
C．经营者偏好
D．消费者心理
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