3×999+8×99+4×9+8+7的值是( )。
A.3840
B.3855
C.3866
D.3877
参考答案:A
解析: 尾数计算法。7+2+6+8+7,尾数应为O,故答案为A。
用括号内所给单词的适当形式填空。
1. All of my classmates are in ______ (agree) that we should learn English well.
2. They enjoyed ______ (them) at Tina's birthday party.
3. My mother asked me what CD I listened to______ (recent).
4. At last the student accepted the teacher's ______ (suggest).
5. Although he got a chance to study abroad, he is ______. (happy).
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