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【单选题】
用于预防、治疗、诊断人的疾病，有目的地调节人的生理机能并规定有适应证或者功能主治、用法和用量的物质是A.
药品
B.
食品
C.
保健功能食品
D.
中药
E.
医疗器械
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举一反三
【单选题】（ 52 ）下面关于 IQSec 的说法哪个是错误的？
A.
、它是一套用地用于网络层安全的协议
B.
、它可以提供数据源认证服务
C.
、它可以提供流量保密服务
D.
、它只能在 IPv4 环境下使用
【单选题】Father asked Anne_______________________.
A.
when did she go to bed
B.
when she went to bed
C.
when she go to bed
D.
when does she go to bed
【单选题】下列程序执行后的输出结果是______。 main() { char arr[2][4]； strcpy(arr,'she')；strcpy(arr[1]，'he')； arr[0][3]='&'； printf('%s/n'，arr)； }
A.
she&he
B.
he
C.
she
D.
shehe
【单选题】_____is unknown to us all.
A.
When did she arrive
B.
When she arrived
C.
That when she arrived
D.
In which she arrived
【单选题】Sooner _____ back at home _____ she realized her mistake A)she was ...that B)was she ...when C)she was...when D)was she...than
A.
she was …that
B.
was she …when
C.
she was…when
D.
was she…than
【单选题】Lucy couldn’t remember when she met Tom, but she was sure it was on ______Monday when she had ______ music class.
A.
/; the
B.
the; /
C.
a; a
D.
/; a
【单选题】―Do you know tomorrow? ―At 8 o’clock.
A.
when did she come
B.
when she came
C.
when will she come
D.
when she will come
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