In the last ten years, there have been many changes in family life. Are these changes （）
A. for better or for worse
B. for the better or for the worse
C. for the best or for the worst
D. for the good or for the bad
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Between the heat （）the heavy work, she lost twenty pounds last summer.
A. and
B. or
C. with
D. plus
It was a remarkable achievement, （）it is a country of only three million people.
A. considerate
B. considerable
C. considering
D. consideration
He failed to （）the authorities of his change of address.
A. notify
B. report
C. certify
D. acquaint
There is a saying that rivers need a （）.
A. spring
B. summer
C. autumn
D. winter
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