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【单选题】
在编译程序时，采用的对中间代码的优化方法中，(30)是基于循环结构进行的优化处理。 ①合并已知量 ②删除归纳变量 ③删除多余运算 ④强度削弱 ⑤复写传播 ⑥代码外提A.
①③⑤
B.
②④⑥
C.
①②③
D.
④⑤⑥
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【单选题】---When are we going to see the movie ZooTopia, this afternoon or tonight?---______ is OK. I'm free today.
A.
Both
B.
All
C.
Either
D.
Neither
【单选题】----Are you free tonight? ---- No, I'm sorry. I _______________ to go out night.
A.
arrange
B.
arranged
C.
have arranged
D.
am arranging
【简答题】排除怠速不稳故障，有缺缸现象，检测方法正确的是（）
【单选题】____ the apples, then ____ them into small pieces.
A.
Washing; cutting
B.
Wash; cut
C.
Washes; cuts
【多选题】如图所示焊缝形式,表述正确的是
A.
接头形式是T接接头
B.
坡口类型是K形带钝边的坡口
C.
焊缝焊完以后的宽度为C
D.
焊前右侧焊件开双Y形坡口，左侧焊件没有开坡口
E.
焊前组对间隙为b
F.
焊前组对间隙为P
G.
右侧焊件上下两面分别开α和α1的坡面角度，且留有厚度为P的钝边
【单选题】-- When are you going to see the movie Spider-Man, this afternoon or tonight? ______ is OK. I'm free today.
A.
All
B.
Neither
C.
Both
D.
Either
【单选题】--Are you free tonight? --Sorry, but I'm not _____. I've got so much homework to do.
A.
busy
B.
comfortable
C.
available
D.
easy
【简答题】Over time, ________ the population grew, people began cutting food into small pieces so it would cook more quickly.
【简答题】七选五: There is no easier way to prove that you're a capable person than by foods that seem store-bought and expensive. You can handcraft your own by mixing flour, water, olive oil, and salt into...
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