晶体二极管加正向电压时,其阻值()。

题型:填空题

问题:

晶体二极管加正向电压时,其阻值()。

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题型:填空题

  When you are in England, you must be very careful in the street because the traffic moves on the left. Before you cross a street, you must look to the right first then the left.

If the traffic lights are red, the traffic must stop. Then the people on foot can cross the road carefully! If the traffic lights are green, the traffic can go. People mustn’t cross. In the morning and in the evening when people go to or come back from work, the streets are very busy. Traffic is the most dangerous then.

When you go by bus in Hong Kong, you have to be careful, too. Always remember the traffic moves on the left. So you must be careful. Have a look first, or you will go the wrong way.

In Hong Kong, there are big buses with two floors. You can sit on the second floor. From there you can see the city very well. It’s very interesting.

小题1:When you cross a street in England, you must _______________.

A.look to the left then the right

B.look to the right first and then the left

C.look to the cars and buses

D.look to the left and the right at the same time小题2:If the traffic lights are red, ____________________.

A.the traffic must go

B.the people must go

C.the traffic must stop

D.the people must stop小题3:Traffic is the most dangerous___________________.

A.in the morning

B.in the evening

C.when you go to the wrong way

D.when people go to or come back from work小题4: In Hong Kong, the traffic moves _________________.

A.the same way as in most cities in China

B.on the right

C.the same way as in most cities in the UK

D.in the middle of the roads小题5: If you take a bus with two floors in Hong Kong, you can sit on the second floor because__________________________________.

A.you can enjoy a better view

B.it is cooler up there.

C.you can have a larger seat

D.it is easy for you to know the city well.

题型:填空题

为油状液体的是

A.精氨酸
B.强心甾烯
C.麝香酮
D.蟾蜍甾二烯
E.鹅去氧胆酸

题型:填空题

某公司计算缴纳企业所得税时,提出减免企业所得税的请求,其中哪项不符合法律规定

A.购买国债取得的利息收入,请求免征企业所得税

B.经营一项农业项目的所得,请求减征企业所得税

C.投资经营一项无国家扶持基础设施项目的所得,请求免征企业所得税

D.开发一项新技术的研究开发费用,请求在计算应纳税所得额时加计加除

题型:填空题

下列各项中,对于中毒性痢疾脑型和乙脑的鉴别最有意义的是()

A.起病急骤

B.大便检查有无炎性成份

C.高热、昏迷、抽搐

D.早期休克

E.呼吸衰竭

题型:填空题

“ * * ”结束邓 * * 复出后,在教育上采取的主要措施有①在教育战线拨乱反正②整顿恢复教学秩序,恢复中断十年的高考制度③提出“三下乡”活动④启动“希望工程”()

A.①②③④均正确

B.①②③正确,④错误

C.①②正确,③④错误

D.①④正确,②③错误

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