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【单选题】
对网页标题的描述,下述哪个是正确的( )A.
网页标题内容会在网页以流动形式显示出来
B.
网页标题一定要有，否则网页显示不出来
C.
…… 之间的内容为网页标题
D.
……之间的内容为网页标题
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举一反三
【单选题】Which of theunderline expressions isthe hedging of the following sentences.For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out ...
A.
For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
B.
For example , it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
C.
For example, it may be necessary for the spider to leave the branch on which it is standing , climb up the stem, and walk out along another branch.
D.
For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
【简答题】该项目的输出元件有 、 、 、 。
【简答题】设a、b、c、d为，且a 7 =b 6 ，c 3 =d 2 ，c-a=17，则d-b等于 ______．
【简答题】在 RGB 彩色空间的原点上,若三个基色均没有亮度,则原点为( )
【简答题】在RGB彩色空间的原点上，三个基本色均没有亮度，即原点为_____。
【单选题】China is the country_he spent
the best part of his life. A. where B. which C. in that D. at
which
A.
a
B.
b
C.
c
D.
d
【简答题】设a、b、c为整数，且a=2、b=3、c=4，则执行完语句a*=18+(b++)-(++c)；后，a的值是【 】。
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