更多"We are kept ______ by clean air."的相关试题:
[填空题]Because the air in the country is really clean, we ought to live
there much as possible. Since, however, a great deal of the world’s (1)
work must be done indoor in cities, it is important that we take every (2)
precaution to ventilate our houses properly. Some people have
thought that night air is injurious. But careful study shows that night
air is identical with which we breath during the day. In fact the (3)
proper ventilation of a bedroom is one of the first necessity for good (4)
health. Since the exhaled air is usually warmer and lighter than the
inhaled air, it rises to the top of the room. Therefore it is better to
open a window both at the top to let the warm up air out and also at (5)
the bottom to admit the fresh air in. Of course, this does not mean
[单项选择]Yesterday we kept working （） the night, so we are very tired now.
A. during
B. for
C. throughout
[简答题]Third, we will integrate clean stoves into our international development projects so that refugee camps, disaster relief efforts, and long-term aid programs all will act as distribution networks. Women and girls who are obviously the vast majority of stove users will be our focus throughout. Women-owned, micro-financed businesses and networks can extend deep into hard-to-reach communities, and that I know a number of my friends from SEWA, the Self Employed Women’s Association that started in India, has already made a huge difference for millions of women in India. And they’re with us today; you’ll meet them in a minute. And they’re helping us to make this happen more broadly.
[单项选择]
W: Our bedroom needs cleaning.
Shall we clean it now
M: Thank you. But I can do it myself.
What does the woman offer to do（）
A. Clean the bedroom.
B. Pack up for traveling.
C. Water flowers.
D. Cook the meal.
[单项选择]We kept our ______ all night to frighten the wolves.
A. burning fire
B. burnt fire
C. fire burning
D. fire burnt
[单项选择]
W: Our bedroom needs cleaning. Shall we clean it now
M: Thank you, but I can do it myself.
What does the woman offer to do （）
A. Clean the bedroom.
B. Pack up for traveling.
C. Water flowers.
D. Cook the meal.
[填空题]In the experiment we kept a ______ (watch) eye on the development and recorded every detail.
[单项选择]We must keep our ______ clean.
A. tooth
B. teeth
C. tooths
