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【单选题】
合霉素是哪一类异构体?A.
左旋体
B.
外消旋体
C.
内消旋体
D.
顺反异构体
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反馈参考答案：
举一反三
【单选题】the extra five pounds put in the man's envelope suggests that ______.
A.
they are put in the envelope by mistake
B.
the boss wants to give him a test
C.
the boss wants to make him glad
D.
the boss wants to increase his wage
【单选题】下列正则表达式中( )可以匹配首位是小写字母,其他位数是小写字母或数字的最少两位的字符串
A.
/^\w{2,}$/
B.
/^[a-z][a-z0-9]+$/
C.
/^[a-z0-9]+$/
D.
/^[a-z\d+$/
【简答题】收集行业信息时,一般要收集行业规模、产业集群分布、产品销售形式和 等方面的信息。
【单选题】下列正则表达式中()可以匹配首位是小写字母 其他位数是小写字母或数字的两位的字符串。
A.
/^\w{2,}$/
B.
/^[a-z][a-z0-9]+$/
C.
/^[az0-9]+ $/
D.
/^[a-z]\d+$/
【单选题】听力原文：What should the man do first? (15)
A.
Put in the money.
B.
Put in the soap powder.
C.
Put in the washing.
D.
Shut the door.
【单选题】The( )is the document put on face of each envelope and list all AWB’s put in the envelop.
A.
Bill of Lading
B.
Cargo Manifest
C.
Shipping note
D.
Mate’s receipt
【单选题】GB/T4100-2015《陶瓷砖》中，将干压陶瓷砖按（）不同，可分为：瓷质砖、炻瓷砖、细炻砖、炻质砖、陶质砖。
A.
成型方式
B.
表面状态
C.
试件尺寸
D.
吸水率
【简答题】A．Put in the money. B．Put in the soap powder. C．Put in the washing. D．Shut the door.
【单选题】At last, Sam's apple is put in the ashtray on the desk in the interview room.
A.
Y
B.
N
C.
NG
【单选题】下列正则表达式中( )可以匹配首位是小写字母或数字,其它位数是小写字母的最少两位的字符串
A.
/^ \w{2,}$/
B.
/^ [a-z0-9][a-z]+$/
C.
/^ [a-z0-9][a-z]*$/
D.
/^ [a-z0-9]\d+$/
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