下图是甲、乙两种固体物质的溶解度曲线。下列有关叙述正确的是_刷题宝

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下图是甲、乙两种固体物质的溶解度曲线。下列有关叙述正确的是（）

A：除去甲物质中少量乙物质可采取蒸发的方法

B：10℃时，甲、乙两种物质的饱和溶液中溶质的质量相等

C：20℃时，甲物质的饱和溶液的溶质质量分数是40%

D：30℃时，要使质量均为60克的甲和乙溶解，需水量多的是乙

上一题下一题 0.0难度选择题更新时间:2019-05-23 01:07:09

答案(点此获取答案解析）

D

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阅读理解。
Beijing 2—day Tour( including hotel)

Departure date: every day
Departure time: 8:00 am
Return time: 6:00 pm
Tour guide serve(服务): English-speaking tour guide

Day 1 Arrive in Beijing
After arriving in Beijing, you will be taken to a hotel.Then you'll be free the rest of the day.

Day 2 Visit the main places of interest
Pick-up service by your tour guide and driver in the morning.
In the morning: Visit Tian'anmen Square, including the main buildings such as the National Museum of China and the Great Hall of the people.Visit the Temple of Heaven and the Forbidden City.Then you'll have lunch at a local restaurant near the Forbidden City.
In the afternoon: Visit the Summer Palace, the largest and most beautiful imperial(皇帝的) garden in China.
After the tour is over, you will be sent to Beijing Capital Airport.

Tour price (each person in US dollar)

Your group size	Super class★★★★★	Deluxe class★★★★	Tourist class★★★
1 person	＄230	＄188	＄150
2-5 people	＄135	＄115	＄95
6-9 people	＄123	＄95	＄85
10 people or over	＄115	＄92	＄80

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