保险的实质是( )。A.以极小的代价换取最大的安全B.达到风险转移的目的C.赚取保

题型:单项选择题

问题:

保险的实质是( )。

A.以极小的代价换取最大的安全
B.达到风险转移的目的
C.赚取保费
D.减少自己可能承担的损失

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题型:单项选择题

单词拼写。

1. My son doesn't do well in his lessons, so I have to call in a t____ to help him with his lessons at home.

2. The girl was so moved that she looked at me with t____ in her eyes. 

3. She is always ready to find f____ with others, which makes others unhappy.

4. Now winter is coming, but some people still have no s____ to keep themselves from cold.

5. Mike is interested in a____ and hopes to become an astronomer when he grows up.

6. She is not only a famous scientist in the world, but also a _____ (有天赋的) painter.

7. He gave a detailed _____ (描写;叙述) of what he had seen in the mountain. 

8. Her parents are proud of her _____ (学术的)achievements. 

9. I'm sure I don't _____ (应得)so much praise.

10. We must accept the _____ (可能性)that we might be wrong.

题型:单项选择题

处方一般不得超过几日用量()

A.3日

B.5日

C.7天

D.10天

E.1月

题型:单项选择题

一个按正弦规律变化的交流电流的图象如图所示.根据图象可以知道:该交流电流的频率是____;该交流电流的有效值是____.

题型:单项选择题

通过直接感知的现象,推测无法直接感知的事实,这是物理学中常用的方法,下列事例不属于此方法的为   [ ]

A.通过扩散现象,知道了分子在不停地运动  

B.通过磁体对小磁针力的作用,知道了磁体周围存在磁场  

C.通过奥斯特实验,知道了通电导体周围存在磁场  

D.通过滚摆实验,知道了动能和势能可以相互转化

题型:单项选择题

随着互联网和计算机信息技术的发展,网购日渐成为人们购物的新时尚。“双十一”电商集中促销活动前3天完成订单近2亿件,这说明()。①生产决定消费的方式②生产决定消费的质量和水平③居民的实际购买力不断提高④消费对生产的调整和升级起着导向作用

A.①②

B.②④

C.①③

D.③④

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