如图所示,用传送带在空地上堆小钢片,允许堆放的场地直径是20m,问堆起的最大高度

题型:计算题

问题:

如图所示,用传送带在空地上堆小钢片,允许堆放的场地直径是20m,问堆起的最大高度是多少?(钢与钢之间动摩擦因数0.1~0.25)

考点:力的分解
题型:计算题

根据下面短文内容,在短文的空格处填上一个恰当的词,使短文完整、通顺。

Here is some good advice on howto be good at a language.

Pen Pals.

This way of learning a language is a great way to use your new language. You have to use a lot; at the same time, you don’t have to use your pen pals an answer at once. So you will be more comfortable this way. You can choose to use the old letter writing way or the much quicker and easier e-mail way to keep in __小题1:___ with your pen pals.

Internet Radio

Another great and easy way is to __小题2:__ to your new language in real life. There are Internet radio stations for every major language. Just find these radio stations and listen to them. You’ll be amazed at how many stations __小题3:__ are all over the world.

Language clubs

When you are ready to _小题4:_ your new language, try to find a language club in your area. Speaking with other people can be very helpful. This will give you an opportunity to use the language in a suitable environment. They will also give you lots of useful___小题5:on learning a new language.

Find suitable places

Put yourself in situations where you have to speak the language that you are_小题6:___. How about going to a restaurant? If you are learning German, you can find a German restaurant. Try to _小题7:__ the menu, try to order something or just say “hello” to the people there. You will probably find them to be very helpful and you may even__小题8:__ a few friends out of it.

题型:计算题

夸美纽斯的教育思想为西方()教育理论的发展奠定了基础。

A.古代

B.中古

C.近代

D.现代

题型:计算题

国籍是指一个人作为某一个国家的成员的()上的身份或资格。

A.法律

B.实际

C.血缘

D.政治

题型:计算题

一名1岁女孩,多汗,睡眠不安,体检:方颅,鸡胸I度,化验:血钙稍低,血磷明显降低,碱性磷酸酶明显增高,X线检查:干骺端呈毛刷样,并有杯口状改变。对此患儿治疗首选

A.静脉补钙
B.口服补钙
C.分次给予维生素D3制剂30万U
D.分次给予维生素D3制剂60万U
E.分次给予维生素D3制剂120万U

题型:计算题

下面是某求助者的WAIS-RC的测验结果:

在WAIS-RC中,分测验的量表分是()。

A.T分数

B.标准九分

C.标准十分

D.标准二十分

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