Choose the appropriate meaning for the word “inflection” used in line 4 of paragraph 2（）
A. Changes in the forms of words
B. Changes in sentence structures
Changes in spelling rules
D. Words that have similar meanings
查看答案
According to the passage, we can make the substance cool quickly by _____（）
A. blowing cold air over it
B. putting it in the room
C. covering it with something
D. blowing hot air over it
According to the passage, a heat pump is _____（）
A. only used at night
B. only used in summer
C. only used in winter
D. used in summer and in winter as well
Which one is not a strong claim（）
A strong claim is not a fact
B. A strong claim is engaging or something new
C. A strong claim is a relatively abstract sentence
D. A strong claim states the actual conditions of the event
Which one is the best title（）
A. The Best Way to Stay Healthy is to Work Out Every Day
B. The More Exercise, the More Healthy
C. The Best Way to Stay Health
Doing Physical Exercise: The Best Way to Stay Healthy
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