题目内容

材料题请点击右侧查看材料问题

A. tough
B. enough
C. rough
D. cough

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高频保护通道中耦合电容器的作用是()。

A. 对工频电流具有很大的阻抗，可防止工频高压侵入高频收发讯机;
B. 对工频电流具有很小的阻抗，可防止工频高压侵入高频收发讯机。
C. 对高频电流阻抗很大，高频电流不能通过。

马克思主义揭示民主的本质和发展的一般规律是什么？

根据下面内容，回答题：
Los Angeles has planted 2，000 rubber trees down the middle of one of its main streets．These trees do not 21 rubber．They are，22， made of rubber．Mr．Joe Dynamo， a spokesman for Los Angeles 23 council， explained the reasons．He said:
"These 24 are representative of our virtual society．We have polystyrene grass on our golf 25．We have non-milk powder 26 our coffee．We 27 copies in plastic of old wooden furniture．We have fiberglass tombstones.28 shouldn"t we have trees made of rubber？"
"At 50 miles an hour，29 motorist will see any difference．And our preservation 30 will be lower．You give the trees an annual rinse with detergent， and 31 them off twice a year．We 32 a lot of money because transplanting， pruning， weeding and leaf-collection are all 33 And we have a 60-year 34 guarantee on each plant．This is rationalization at 35 best， "
材料题请点击右侧查看材料问题查看材料

A. invent
B. do
C. produce
D. create

People who want independence for Scotland________. 查看材料

A. are in the minority
B. are the vast majority
C. are the slight majority
D. have decreased in number since devolution