小明是个爱动手动脑的孩子,一次他又把妈妈新买的电动玩具车拆开了,发现里面装有一个

题型:填空题

问题:

小明是个爱动手动脑的孩子,一次他又把妈妈新买的电动玩具车拆开了,发现里面装有一个电动机,它的工作原理是______,它工作时把电能转化为______.

考点:直流电动机
题型:填空题

亚琛会议

题型:填空题
阅读理解。
                                                          JOB APPLICATION FORM
Your name
: Julia Morley
Address: 18 Jackson Street, Elisabeth, Arizona 85276
Phone number: (623) 555-1212
E-mail address: Jmorley@gnpu.net
High School    Robert Morris High School
Key courses    Computer 3 years; Math 4 years; Chemistry 2 years
Languages      Japanese, 3 years (reading, writing, speaking);
                       French, 2 years (reading,writing)
Experience      Delivering milk; taking food orders at Brown's.
Interests        I like traveling and playing football after school.
                      I often play football with my friends and I usually travel on my holidays.
                      I enjoy working with people and helping them.
生词: Application 申请
1. Julia Morley is trying to _____.
A. find a job
B. learn English
C. travel around
D. deliver milk
2. How many foreign languages did Julia learn?
A. One.
B. Two.
C. Three.
D. Four.
3. Julia is interested in _____.
A. reading and wrting
B. delivenng milk and taking food orders
C. leaming languages
D. traveling and playing football
题型:填空题

阵发性室性心动过速需要及时终止其发作,最主要的原因是

A.可发生栓塞

B.可诱发心力衰竭

C.可发生心绞痛

D.可引起心源性休克

E.可发展为心室颤动

题型:填空题
18米的
2
3
是______,______个
1
9
是4.
题型:填空题

以下关于等距量表的说法正确的有()。

A.有绝对零点

B.数量差距相同

C.数量差距以相同的比例变化

D.没有绝对零点

E.在一个变量上对事物进行分类

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