简述甲骨文的发现及研究概况。

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问题:

简述甲骨文的发现及研究概况。

考点:语言学语言文字学语言文字学题库
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典型心绞痛的发作性胸痛持续时间一般为()

A.1~3分钟

B.3~5分钟

C.5~10分钟

D.10~15分钟

E.15分钟以上

题型:问答题 简答题

Paul couldn’t sleep last night. He woke up early and sat up, and then he lay down again. He felt terrible. “I must be sick,” he thought. “but I must study for that test.”

He got up and looked for his history notebook. He finally found it under a pile of clothes on a chair. He went over his history notes, but he couldn’t remember any of the facts in the notes. “What shall I do?” he thought. He felt terrible.

Just then Paul’s telephone rang. He put down his notebook and picked up the telephone.

“Good morning,” Jack’s voice said, “You must be wrong about that test.”

“What do you mean?” Paul asked weakly.

“We’re not going to have the test today.” Jack said. “I wrote down the date in my notebook. The test will be next Wednesday; it isn’t today. How do you feel this morning?”

“Fine,” said Paul. “Just fine!” Suddenly he really felt fine.

小题1:Paul felt uneasy because he

A.was seriously ill.

B.was too tired.

C.was worried about the coming test.

D.couldn’t find his history notebook.小题2:It seemed that Paul __________

A.was good at history.

B.liked to study history.

C.lost interest in history.

D.was ready for the history test.小题3:What made Paul feel fine at once?

A.The telephone call

B.the coming test.

C.Jack’s notebook

D.The fact that the test was not to be given that day.小题4:“How do you feel this morning?” From this question we can see Jack________

A.knew Paul.

B.knew Paul very well.

C.wanted to help Paul with his history.

D.would lend Paul his notebook..

题型:问答题 简答题

简述积炭的危害。

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食品卫生监督行 * * 的种类都有哪些?

题型:问答题 简答题

以下关于增强子的叙述错误的是()

A.增强子能使结构基因的转录速率大大提高

B.增强子的作用与受控基因远近距离相对无关

C.增强子作用无方向性

D.增强子无论在基因的上游或下游都对基因的转录具有增强作用

E.增强子序列都是以单拷贝形式存在

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