孢子是某些细菌在一定环境条件下形成的圆形或卵圆形小体。
A. 对
B. 错
How do you break up this phone number “19923156589”?
A. 1992 3156 589
B. 1992 315 6589
C. 199 2315 6589
D. 199 231 565 89
How do you say this phone number “234 3558”?
A.two three four, three fifty-five eight
B.two three four, three double five eight
C.two three four, three triple five eight
D.two three four, three two five eight
Which of the following matches is wrong?
A.area code 区号
B.extension 分机号
C.triple 双重的
D.double digit 两位数（10-99）
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