问题 选择题

某学生做完实验后,采用以下方法分别清洗所用仪器:

①用稀硝酸清洗做过银镜反应实验的试管;

②用酒精清洗做过硫熔化实验的试管;

③用氢氧化钠溶 液清洗盛过苯酚的试管;

④用氢氧化钠溶液清洗做过植物油和溴水反应实验的试管。

你认为他的操作[ ]

A.②错

B.③④错

C.①④错

D.全部正确

答案

答案:A

阅读理解

Ice Hotel Quebec, located 30 minutes west of Downtown Quebec City, Canada, is only open during the winter season. The hotel is made entirely of ice. The two galleries at the Ice Hotel Quebec feature events such as ice painting and ice sculpture(冰雕) competitions.

Things to Do

Guests have a choice of different winter vacation activities, including cross-country skiing, ice skating, dog sledding (狗拉雪橇), ice fishing and sliding(滑行). Ice Hotel Quebec has a sauna( 桑拿浴),so remember to pack your bathing suit.

Rooms & Suites(套房)

The hotel offers 18 rooms and 14 theme suites built from 12,000 tons of snow and 400 tons of ice. The walls at Ice Hotel Quebec are four feet thick and allow the hotel to keep a temperature of -2℃ to -5℃.

The furniture at the hotel is made of snow and ice, including the beds. The beds are equipped with a thick foam mattress(泡沫床垫)and an extra thick sleeping bag. That is enough to prevent you from catching a cold.

Vacation Tip

Ice Hotel Quebec offers 30-minute guided public tours daily from 10:30am to 4:30pm. It costs $15 CAD for adults, $7.5 for children (under eight), $13for students\seniors (above sixty), and $42 for families.

Plan This Vacation

Ice Hotel Quebec-Canada will be open for its sixth season from January 5th to April 1st. Costs for overnight stays start at $199CAD per person.

If you’re looking for something really different to do on your next trip, think creatively and plan to visit the truly unusual Ice Hotel Quebec!

小题1:If you visit the Ice Hotel, you can enjoy the following EXCEPT___________.

A.going fishing

B.going skating

C.appreciating ice sculptures

D.holding an ice party小题2:Sleeping is not a problem in the Ice Hotel because ____________.

A.the rooms are made of ice

B.the temperature is as high as -2℃

C.the sleeping bags are warm

D.the walls are four feet thick小题3:If Mr. Smith attends a 30-minute public tour with his wife and seven-year-old twin sons, he should pay at least_________.

A.$37.5 CAD

B.$45 CAD

C.$42CAD

D.$199 CAD

多项选择题