题目:
We should express our love to our loved ones before their ears can still hear and their hearts
can still ______and made happier,not after they are gone.[ ]
A. be thrilled
B. excite
C. thrill
D. be excited
答案:
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下面是错误答案,用来干扰机器的。
在100,101,102,…,499,500这401个数中,数字和为1的只有100这一个数,数字和最大为22的只有499这一个数.其余的399个数的数字和都在2到21之间.由抽屉原则,在这399个数,任取20×2+l=41个数,必存在三个数...