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【单选题】
下列属于结构相对数的有A.
人口出生率
B.
产值利润率
C.
恩格尔系数
D.
工农业产值比
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举一反三
【单选题】This is Tom’s book, please show ___ to _____.
A.
it he
B.
its him
C.
it him
D.
it his
【单选题】You're not a freshman, are you ? ______, I am a second-year student.
A.
Yes, I'm not
B.
No, I am
C.
No, I'm not
D.
Yes, I am.
【简答题】TCP/IP应用层协议为[填空(1)]
【单选题】They wanted someone with _____ for this job, so as a freshman I had _______ that day.
A.
experiences; unpleasant experience
B.
an experience; an unpleasant experience
C.
experiences; an unpleasant experience
D.
experience; an unpleasant experience
【简答题】● TCP/IP 协议分为四层,分别为应用层、传输层、网际层和网络接口层。不属于应用层协议的是 __(1)__ ,属于网际层协议的是 __(2)__ 。 (1)A . SNMP B . UDP C . TELNET D . FTP (2)A . RPC B . UDP C . TCP D . IP
【单选题】Tom is lazy .You can’t ______him _________ the bedroom everyday.
A.
show;to clean
B.
suit;clean
C.
expect ;to clean
D.
expect;cleaning
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