若3·9m·27m=321,则m的值为( ) A.3 B.4 C.5 D.6 答案:B 解析: 3•9m•27m=3•32m•33m=31+2m+3m=321,∴ 1+2m+3m=21,解得m=4.故选B.33、找出与所给单词划线部分读音相同的选项。语音知识
1champion
A. opinion B. region C.
occasion D. conclusion
2. mainly
A. mountainous B. certain
C. captain D. sail
3. wisdom
A. sunset B. insect
C. possession D. promise
4. volcano
A. location B. dishonest
C. method D. protection
5. scholarship
A. champion B. dutchman
C. technique D. church
评卷人
得分
三、书面表达
(每空? 分,共?
分)