关于底部磁系磁力脱水槽磁场特性的说法下列不正确的是()A、沿轴向上部弱,下部强,沿纵

题型:多项选择题

问题:

关于底部磁系磁力脱水槽磁场特性的说法下列不正确的是()

A、沿轴向上部弱,下部强,沿纵向外部弱内部强

B、沿轴向上部强,下部弱,沿纵向外部强内部弱

C、沿轴向上部弱,下部强,沿纵向外部强内部弱

D、沿轴向上部强,下部弱,沿纵向外部弱内部强

考点:选矿工考试选矿工考试题库
题型:多项选择题

阅读理解。

     Nowadays, in the United States and other western countries, some teens are choosing to become

vegetarians. That is, they choosing not to eat meat. There are many types of vegetarians, some of whom

don't even eat animal products such as milk, eggs, or yogurt. Having balanced meals is very important,

especially for teens who are growing up. So why are they becoming vegetarians? Well, each person chooses

to become vegetarian for different reasons; The most popular reason is just wanting to be healthier.

     I decided to become a vegetarian when I was 10 years old, and it was much easier than you might think.

But as a vegetarian, I have had a difficult time getting the proper nutrition (营养). Most doctors and scientists

say that being vegetarians is very healthy, but many people aren't choosing the correct food to supplement

(补充) the protein (蛋白质) in meat.

     If you're thinking about becoming a vegetarian, make sure that you look at your diet very carefully. And

of course, pay special attention to your health when doing so. Being a vegetarian isn't for everyone, so don't

be discouraged if you can't give up hamburgers and meat dumplings! Vegetables play an important role in

people's daily meals, so even if you are not a vegetarian, they are still good for you.

1. Some teens choose to become vegetarians mainly because _____.

A. they have no meat to eat

B. they want to keep healthy

C. they only like vegetables

D. they can grow up quickly

2. If you decide to become a vegetarian, you should _____.

A. eat only vegetables

B. do more exercise

C. become more careful in everything

D. get the proper nutrition

3. Which is the best title of this passage?

A. Becoming vegetarian

B. Eating no meat

C. Looking at your diet carefully

D. Protecting animals

题型:多项选择题

关于“进行性转化的生发中心”,叙述正确的是()。

A.滤泡淋巴瘤的肿瘤性滤泡结构

B.套细胞淋巴瘤的肿瘤结节

C.一种反应性淋巴增生性病变

D.一个结节内见含有套区B细胞围绕的大小不等的多个生发中心结构

E.经典型霍奇金淋巴瘤的表现

题型:多项选择题

如图为女性生殖器官网,请据图回答:  

(1)图中标号的器官名称是:  ①___________;②___________;③__________。  

(2)精子和卵子结合的场所是[ ]___________。  

(3)③的功能是____________________________。  

(4)①的功能是____________________________。

题型:多项选择题

离心回流式气锚主要由外管与具有螺旋筋的离心式中心管()而成。

A、连接

B、螺纹连接

C、焊接

D、组焊

题型:多项选择题

关于卖家修改订单交易价格,说法正确的是()

A.只有在交易状态为“等待买家付款”时,卖家才可以修改交易价格

B.修改交易价格中,可以把价格提高或者降低

C.卖家提交修改价格操作,单笔交易一天最多5次修改机会

D.修改交易价格中,邮费和商品本身价格是分开算的

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