更多"The air-conditioner is so energy-ef"的相关试题:
[单项选择]若使SO2和SO3两种物质中含有相同质量的硫元素，则SO2和SO3的质量比为( )。
A. 5:4
B. 3:2
C. 2:3
D. 4:5
[单项选择]In the Mediterranean seaweed is so abundant and so easily harvested that it is never of great ______
A. fare
B. payment
C. worth
D. expense
[单项选择]I had never seen so many people with so many disabilities. I returned home, silently （）. thinking how fortunate we really were.
A. retrospective
B. introspective
C. perspective
D. prospective
[单项选择]Our research has not shown us anything so far, so there is little ______ to continue with it.
A. impatience
B. incentive
C. impulse
D. initiative
[单项选择]He had never given a speech for so many people, so he felt ______.
A. excited
B. stupid
C. disappointed
D. nervous
[单项选择]The incomplete sentence of "So far so good" (Paragraph 10) can probably be used to mean ______.
A. It is good as long as I can do it
B. Until now things have gone well
C. Though until now things have gone well, I still hope to do it better
D. Though I am not so sure if all my answers are correct, I still feel OK
[单项选择]He had never given a speech to so many people, so he felt ______.
A. excited
B. stupid
C. disappointed
D. nervous
[单项选择]There is so much time left, so I can tell you about it______.
A. in short
B. in all
C. in detail
D. in whole
[单项选择]I have lost so (much weight) recently (so) all my clothes are too big; I (must) have them (taken) in.
A. much weight
B. so
C. must
D. taken
[单项选择]To be honest, today's dinner was just so-so. It wasn't such a good one ______ promised by the boss.
A. that
B. which
C. as
D. what
[单项选择]It is impossible for so ______ workers to do so ______ work in a single day.
A. few; much
B. few; many
C. little; much
D. little; many
[单项选择]在一定温度下，反应SO2（g）+1/2O2（g）=SO3（g）的平衡常数Kθ=50，则反应2SO2（g）+O2（g）：2SO3（g）的平衡常数置。值应是（）。
A. 2500
B. 100
C. 7.1
D. 50
[单项选择]Why is transition so difficult
A. Because transition requires money and time.
B. Because many manufacturers are unwilling to change their equipment.
C. Because research on new materials is very difficult.
D. Because it takes 10 years.
[单项选择]0.1mol的H2SO4约含有( )个H2SO4分子。
A. 1×6.02×1023
B. 0.1×6.02×1023
C. 10×6.02×1023
D. 0.01×6.02×1023
[单项选择]He became so hungry that he
A. went to sleep
B. ate paper
C. went to the dinner-table
D. kept out of the way
[单项选择]What made the man so angry
