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【单选题】
水泥抗压强度以一组三个棱柱体上得到的6个抗压强度测定值的算数平均值作为试验结果。如果6个测定值中有一个超出它们的平均值的（），就应剔除这个结果，而以剩下5个值的平均值作为结果。如果五个测定值中再有超过它们平均值的（），则此组结果作废。A.
±5%，±5%
B.
±10%，±5%
C.
±10%，±10%
D.
±15%，±10%
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【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，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，则执行完以下语句后，a的值是【 】。 a*=18+(b++)-(++c)；
【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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