有关叶酸的描述错误的是()。 A.长时间烹调食物会破坏叶酸 B.叶酸缺乏可以引起贫血

题型:单项选择题

问题:

有关叶酸的描述错误的是()。

A.长时间烹调食物会破坏叶酸

B.叶酸缺乏可以引起贫血

C.叶酸在动物性食物中不存在

D.动物肝脏含丰富的叶酸

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题型:单项选择题

English words don’t stay the same. People need new words for new ideas and new inventions. Different words come into use, or old words are used in a new way.

English can be changed by borrowing words from other languages. The word “tomato” was borrowed from Mexico and“tea”came from China and so on. Now new space and science words are being borrowed from other countries, too. New words are formed by adding two words together. “Countryside” and “earthquake” are made up of two parts. Sometimes new words are shorter forms of old words. The word  “photo” was made from “photograph” by cutting off the end of the longer word. “Plane” was made by cutting off the front part of “airplane”. The names of people and products can become new words, too. Our “sandwich” was named after a man called Sandwich and “sello tape”(透明胶带) was a name given by the company that first made the product.

小题1:New English words are needed because _____.

A.people use old words in a new way

B.the population is bigger now

C.the old words are not enough

D.new ideas and new inventions appear all the time小题2:.Which of the following words came from China?

A.Tea.

B.Earthquake.

C.Airplane.

D.Sello tape.小题3:How many ways of developing English words does the passage tell us?

A.Three.

B.Four.

C.Five.

D.Six.小题4:.The main idea of this passage is _____.

A.that the English language is always changing

B.that there are new ideas in England today

C.how people name new products and inventions

D.how people use old words in a new way

题型:单项选择题

中药细辛的原植物包括北细辛,(),汉城细辛.

题型:单项选择题

测试环境应当()

A.总与在线环境一般精确

B.无论何时都尽可能地便宜

C.尽可能地接近在线环境并且仍是节省成本的

D.包括用于真实世界安装的真实模拟的实时数据

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团内民主选举制度的基本原则有:选举权的()、直接选举与间接选举并用、无记名投票、差额选举。

A.广泛性

B.平等性

C.普遍性和平等性

题型:单项选择题

速度带上洋红色所指示的空速为()

A.空速/马赫数窗中人工选择的空速

B.当空速/马赫窗显示空白时

C.FCC计算的空速

D.A或B

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