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【单选题】
1 29 6 . 在相 同 的观 测 条件下 测 得同 一水 平角角 值 为 : 173 ° 5 8 ′ 56" 、 1 73 ° 59 ′ 0 2" 、 1 7 3 ° 59 ′ 0 4" 、 1 7 3 ° 59 ′ 0 6" 、 1 7 3 ° 59 ′ 10" , 则观测 值中误 差 为( )。A.
±4.0"
B.
±4.6"
C.
±5.2"
D.
±6.3"
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举一反三
【多选题】下面关于PHP的命名规则的说法正确的是
A.
在声明的时候不能声明两次
B.
名字不能和关键字同名
C.
长度不能超过 255 个字符
D.
第一个字符必须是数字或字母。
【单选题】Men needed more than simple direct exchange as ______.
A.
there were more and more goods the exchange rate of which couldn't be agreed on
B.
farmers were reluctant to provide their grain and meat
C.
marketplaces for simple exchange were insufficient
D.
simple exchange was banned by law
【简答题】What was the result of the battle between the negative publicity and the P&G Company?
【简答题】What was the result of the tests? The result was that he found the monkey to be ______ he studied.
【单选题】从中国整体的角度发展考虑,中部就是中国的腰,只有腰板挺直了,才能行得正,走得稳,中国经济才能协调发展。这说明 A、整体统率部分,对部分起决定作用 B、关键部分在一定条件下会对整体的性能起决定作用 C、整体与部分的关系在一定意义上是要素与系统的关系 D、主要规定着事物的性质
A.
B.
C.
D.
D
【简答题】听力原文：What was the result of the tests? What was the result of the tests? The result was that he found the monkey to be ______ he studied.
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