This is ________ apple.[ ]
A. a
B. an
C. the
D. /
答案:B
在某次测试中,小明、小方和小华三人的平均成绩为85分,已知小明和小方的平均成绩为88分,小明和小华的平均成绩为86分.求:
(1)小方和小华的平均成绩;
(2)他们三人中的最高成绩.
Cambridge ________ about 100,000 people. [ ]
A. has
B. have
C. had
D. is