问题 名词解释

合成渣洗

答案

参考答案:

是在出钢前将合成渣加入钢包内,通过钢流对合成渣的冲击搅拌,降低钢中的硫、氧和非金属夹杂物含量,进一步提高钢水质量的方法。合成渣洗既可用于电炉炼钢,也可用于转炉炼钢。合成渣有固态渣和液态渣之分。

阅读理解

The aim of students who came to school is to study. But to study requires (需要) a right way, or you waste either the time or the money. The following are the ways of studying.

The best time for reading is morning, because in the morning, the air is fresh and the mind is clear. For that reason, we can get good result.

In studying we must have patience (耐心). If we have not known a text well, we must read it again. We should not read the next one till we have learned the first one.

When we are studying, we must put our hearts into the book, or we can get nothing from the book while we are reading.

We must always ask “whys”. If it is not well understood, write it down and ask our teachers or our parents, or friends. In any possible way, we must know it completely and what we’ve learned can be used well and made better.

Though there are many ways for studying, yet the above mentioned will be quite enough if we can keep them in heart and do so.

小题1:The passage tells us           .

A.the importance of reading

B.to read in the morning

C.to pay attention to the ways of studying

D.to have patience in studying小题2:The passage has taught us           ways for studying.

A.three

B.four

C.five

D.many小题3:We’d better read in the morning because           .

A. it’s easy to remember what we have learned

B. the air is fresh and the mind is clear

C. it’s difficult to get good results

D we have patience

小题4:If we can’t put our hearts into the book when we read, it is           .

A.easy to understand it well

B.better to get something from it

C.impossible for us to get something from it

D.possible to learn something from it小题5:In studying we must always ask “whys” in order to           .

A.understand the book well

B.write down the question

C.do with the new words

D.get some questions to ask our teachers

选择题