投掷项目的用力顺序是()A、自上而下 B、自下而上 C、由中间的两端

题型:单项选择题

问题:

投掷项目的用力顺序是()

A、自上而下

B、自下而上

C、由中间的两端

考点:体育科学田径考试田径考试题库
题型:单项选择题

动词填空。

1. Listen! The radio says a traffic accident _____ (happen) last night.

2. My friend said he _____ (not reply)to my last three e-mails yet.

3. Don’t you know _____ (laugh) at the disabled is impolite?

4. All the work _____ (do).Let’s go and have a cup of coffee.

5. The Smiths _____ (plan) where to spend the holiday when I arrived.

6. Call me at any time.I will do what I can _____ (help) you.

7. Will you forgive her if she really _____ (call) to say sorry?

8. There _____ (be) many changes in my home town in the last few years.

9. All the people who were at the party that day _____ (ask) to provide the

fingerprints yesterday.

10. Someone told me that he devoted himself to _____(study) Chinese history.

题型:单项选择题

下列关于数据库系统的故障的叙述中,哪一个是不正确的

A.事务故障可能导致数据库处于不一致状态

B.事务故障可能由两种错误产生:逻辑错误和系统错误

C.系统发生故障时,一般主存储器内容会完好,而外存储器内容丢失

D.磁盘故障一般指的是磁头损坏或磁盘上内容丢失

题型:单项选择题

根据表中几种物质的熔点,请你判断以下说法中错误的是:

[ ]

A.电灯泡的灯丝用钨制成不易熔化

B.水银温度计不能测低于零下40℃的气温

C.在-265℃ 时,氢是固态

D.纯金掉在钢水中不会熔化

题型:单项选择题

上消化道出血最常见的病因是

A.消化性溃疡

B.胆道疾病

C.急性糜烂性胃炎

D.贲门粘膜撕裂症

E.肝硬化食管静脉曲张破裂

题型:单项选择题

影响投资项目规模的因素很多,其中决定投资项目需要达到的规模的影响因素是( )。

A.物质技术条件
B.社会需要
C.经济效益
D.投资风险

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