问题
选择题
I'm going to be late for work. There're _______ buses on this route (线路). [ ]
A. too few
B. too little
C. too many
D. too much
答案
答案：A
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I'm going to be late for work. There're _______ buses on this route (线路). [ ]
A. too few
B. too little
C. too many
D. too much
答案：A
发生裂变反应，一种可能的裂变方程为
，则下列说法正确的是