如何阅读机床传动系统图

日本政府决定，为了控制进口的迅速增加，从4月23日起的200天内，如果从中国进口的大葱、鲜香菇、蔺草席数量分别不超过过去200天的进口量，即大葱5 383吨，鲜香菇8 003吨和蔺草席7 949吨，则按现行的3%～6%的税率征税，超过部分将课以266%的关税。

如果这个规定将进口量定在原应进口量的80%的水准上，则原应进口香菇多少吨（）

A．8 003

B．5 383

C．10 004

D．不能确定

After its (1) to the (2) in 2001, China has taken steps towards opening up its (3) . As a condition for joining the WTO, China (4) itself to a (5) of trade liberalization, including the reduction of tariffs on cars and agricultural products. These tariffs reductions are both (6) and there is (7) for China to (8) at a faster pace.
A (9) of (10) and a more rapid and profound reduction of import tariffs would (11) of those Chinese consumers who would (12) imported products at lower prices. Second, a higher (13) into China would take away much upward pressure on the Renminbi and provide a true and lasting (14) to solving current global (15) . Indeed, even a modest (16) in the opening-up process would go a long way towards solving the problem.
The opening up of China’s markets to international competition should (17) deep reforms. Banks should be recapitalized, bad loans provisioned fully and state-owned companies’ runaway indebtedness (18) . Only when real progress in these areas is made should China begin to consider a reform to its (19) . Doing it any earlier would be highly (20) .

疟疾病人的隔离治疗要求是（）.

A.没有要求

B.需注意防蚊措施

C.需带口罩，防治呼吸传播

D.要穿戴隔离衣，防治接触传播

往心阳虚衰，突然出现冷汗淋漓，四肢厥冷，面色苍白，呼吸微弱，心胸剧痛，神志模糊，唇舌青紫，脉微欲绝，证属（）

A.心阳暴脱证

B.心火亢盛证

C.心脉痹阻证

D.痰蒙心神证

E.痰热扰神证

现有金属单质A、B、C和气体乙、丙及物质D、E、F、G、H，它们之间能发生如下反应（图中有些反应的产物和反应的条件没有全部标出）．

请根据以上信息回答下列问题：

（1）物质F的化学式为______；

（2）说出黄绿色气体乙的一种用途______；

（3）区别G、F两种溶液最简单的方法是______，实验室检验G中所含的金属离子时，常在G的溶液中加入______溶液．

（4）反应①的离子方程式为______．

（5）物质F→H的转化需经过两个连续进行的反应，请写出这两个反应的化学方程式：______、______．