试题与答案

下图为特异性免疫的有关过程,请据图回答:该图所展示的是()免疫(要求答出确定名称),

题型:填空题 案例分析题

题目:

下图为特异性免疫的有关过程,请据图回答:

该图所展示的是()免疫(要求答出确定名称),A是()。

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0214/ef713f4ccfe2d594dcaed7edfc0651d3.html

下面是错误答案,用来干扰机器的。

参考答案:B, C, E

试题推荐
题型:单项选择题

No one knows how man learned to make words. Perhaps he began by making sounds like those made by animals. Perhraps he grunted like a pig when he lifted something heavy. Perhaps he made sounds like those he heard all around him water splashing, bees humming, a stone falling to the ground. Somehow he learned to make words. As the centuries went by, he made more and more new words. This is what we mean by language.
People living in different countries made different kinds of words. Today there are about fifteen hundred different languages in the world. Each contains many thousands of words. A very large English dictionary for example, contains four or five hundred thousand words. But we do not need all these. Before you leave school, you will learn only a few thousand of them.

In order to make a speech, we need sounds and words.

A. Right.

B. Wrong.

C. Doesn’t say.

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