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搜题
【单选题】
CD4 + T细胞与CD8 + T细胞数的正常比值为()
A.
<0.5
B.
0.5~1
C.
1.5~2
D.
2~2.5
E.
>2.5
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【单选题】网络商品经营者和网络服务经营者向消费者出具购货凭证或者服务单据,应当符合国家有关规定或者( );征得消费者同意的,可以以电子化形式出具。
A.
商业惯例
B.
买方要求条目
C.
卖方要求条目
D.
网络交易平台规定模式
【单选题】Which month has 28 days ?
A.
.January
B.
February
C.
.November
D.
.Every month
【简答题】网络商品经营者和网络服务经营者向消费者出具购货凭证或者服务单据,应当符合国家有关规定或者商业惯例;征得消费者同意的,可以以电子化形式出具。( )
【单选题】Which month has ________ days in a year?     February.
A.
few
B.
little
C.
the fewest
D.
the least
【单选题】— Which month has ________ days in a year? — February.
A.
fewer
B.
less
C.
the fewest
D.
the least
【多选题】GB50500-2013中规定,计算墙砌体工程量时应扣除( )。
A.
门窗洞口
B.
圈梁
C.
梁头
D.
板头
E.
钢筋铁件体积
【单选题】Which month has long been regarded as a month of romance?
A.
May.
B.
September.
C.
June.
D.
February.
【单选题】—Which month has ______ days in a year? —February.
A.
few
B.
little
C.
the least
D.
the fewest
【单选题】—Which month has ______ days in a year?  —February.
A.
most
B.
the most
C.
the least
D.
the fewest
【单选题】Which month has the largest rainfall in Guadalajara?
A.
February.
B.
March.
C.
July.
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