我国的国标《饲料粉碎试验方法》（GB6971-86）粉碎产品粒度测定_爱下问搜题

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问题单项选择题

我国的国标《饲料粉碎试验方法》（GB6971-86）粉碎产品粒度测定采用的是（）。

A、四层筛法

B、六层筛法

C、八层筛法

D、十五层筛法

答案

参考答案：D

改错题

短文改错。
     此题要求改正所给短文中的错误.对标题号的每一行做出判断：如无错误，在该行右边的横
线上划（√）；如有错误（每行只有一个错误），则按下列情况改正：
     此行多一个词：把多余的词用斜线划掉，在该行右边横线上写出该词，并也用斜线划掉
     此行缺一个词：在缺词处加一个漏字符号（^），在该行右边横线上写出该加的词
     此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词
     注意：原行没有错的不要改

Daniel and Lisa lived next door to a nice lady named Mrs.
Green. She was very good cook and often
made for delicious cakes. The children could smell
them. "How can you get some cakes?" Daniel said to Lisa,
"We can't go and ask for some. That does not seem politely."
"I know which to do," Lisa said. "Come with me." Then
they went Mrs. Green's house. Lisa knocked at the door
and Mrs. Green opened it. Lisa said, "Hello, do you play
with us?" She laughed and asking, "What game do you
want to play?" "We want to play 'At a zoo'. We are
animals and you are the keeper who feed us with your
cakes. All right? "

1. _____
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____

写句子

请在横线上补写出恰当的句子。

　　一口井，望不到底，不一定是其深。如果井水浑浊，浅井也望不到底。

　　一口井，一眼见底，不一定是其浅。。

　　一个人，看上去复杂，不一定是深刻。如果内心是一片浑浊的城府，浅薄的人，看上去也复杂。

　　一个人，看上去简单，不一定是浅薄。。