Earthquakes can be predicted by observing_______
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Which of the following is NOT a fault that may slow the reader's speed？
A. Some people read aloud.
B. Some people follow the line with a finger or a pen.
C. Some people do not exert themselves to read faster, or slow down as needed.
D. Regression.
It took about a year .for Ron to realize that
A. he worked well because he was interested in the job．
B. his work at the supermarket was dull.
C. being at work was much better than going to school.
D. the store manager wanted to get rid of him.
When trying to recall your memory, the author recommends, you start from_____
A. the very beginning of the experience
B. the very end of the experience
C. something physical and concrete
D. your own imagination
How much of the earth's surface does land cover？
A. 15%
B. 25%
C. 30%
D. 45%
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