下列生活中常见现象用微观粒子解释正确的是( ) A.深色衣服和浅色衣服浸泡在一起

题型:选择题

问题:

下列生活中常见现象用微观粒子解释正确的是(  )

A.深色衣服和浅色衣服浸泡在一起,会使衣服上染上颜色,这是因为原子发生了变化

B.温度计中的水银球受热体积膨胀.这是因为汞原子受热体积变大了

C.碘蒸气和碘溶液都能使淀粉变蓝色,是因为它们都含有碘分子

D.擦黑板时看到粉尘在空中飞舞,这是分子在运动

考点:构成物质的微粒(分子、原子、离子)
题型:选择题
One day a rich man wanted to sell some goods in another town and buy some things there. He    to take ten servants(仆人) with him. They would carry the goods and also some     to eat on their way. The rich man said to    of his servants, "Ali, you are the    and the weakest one. You may    the lightest load(担子) to carry." Ali thanked him and chose the     load. It was their food-bread. The rich man said, "How foolish you are! That's the heaviest one. " But Ali was    to lift it up. And so they set off. Four hours    , they stopped for a rest. They all    some of the bread. Then there was    bread for Ali to carry. Each time they ate some, the load became smaller and lighter. At last the clever servant had nothing to carry.
小题1:
A.agreedB.likedC.decidedD.refused
小题2:
A.foodB.goodsC.waterD.meat
小题3:
A.allB.bothC.noneD.one
小题4:
A.tallestB.smallest C.busiestD.fastest
小题5:
A.findB.giveC.chooseD.carry
小题6:
A.lightestB.smallest C.bestD.biggest
小题7:
A.gladB.worryC.sorryD.tired
小题8:
A.earlyB.laterC.pastD.last
小题9:
A.lovedB.putC.calledD.ate
小题10:
A.moreB.littleC.lessD.no
题型:选择题

在如今的社会生活中,消费者在购买物品种类繁多,当中就会有对保险和媒体的消费,那么当消费者在购买保险和媒体服务时受参照群体影响较小,你认为是()因素

A、产品的必需程度

B、群体的安全感

C、个休对群体的忠诚度

D、个休在购买中自信程度

题型:选择题

20℃时,将不同质量的氯化钠固体分别放入100 g水中,充分溶解后过滤,所得溶液质量与加入氯化钠质量的对应关系如下表.其中所得溶液一定属于饱和溶液的是(  )

 ABCD
加入食盐质量/g10203040
所得溶液质量/g110120130136

A.A

B.B

C.C

D.D

题型:选择题

英汉互译

1. The hotel reminds me of the one we stayed in last year.   

                                            

2. The sight of the clock reminded me that I was late.   

                                            

3. 我忘了她的名字,请你提醒我一下。

                                            

4. 这幅画使我想起了我的学生时代。 

                                            

题型:选择题

()大学被称为美国硅谷创业者的摇篮。

A.斯坦福

B.哈佛

C.威斯康星

D.麻省理工

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