单选题
The amount of home assignments normally {{U}}diminishes{{/U}} towards the end of the semester.
A. decreases
B. improves
C. mounts
D. fluctuates
A
B
C
D
【正确答案】
A
【答案解析】
[解析] diminish：减少，变小；decrease：下降，减少；improve：改善，改进；mount：上升，增加；fluctuate：起伏
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