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【多选题】
伊斯兰教的主要习俗有( )。A.
穆斯林进礼拜殿前必须作大、和脱鞋
B.
妇女必须戴面纱、盖头
C.
饮食极注重洁净，不吃驴、骡、狗肉和外形丑陋之物
D.
、端饭、握手均用左手
E.
等必先经诵安拉之名宰后食用
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皮皮学刷刷变学霸
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【单选题】工业反应过程的设计优化，是指在规定的约束范围内，寻找一组决策变量，使反应过程的优化目标函数（如转化率、收率等）达到极值，对于设计优化，下述四项内容中正确合理的是（）。
A.
反应器形式、结构和尺寸的选择
B.
反应器操作方式、反应工艺操作条件的选择
C.
反应器形式、结构、尺寸、操作方式和工艺操作条件的选择
D.
反应器形式、结构、尺寸、操作控制、原料质量、操作方式的选择
【单选题】As soon as Eric set his foot on the new strange land, he began to look at everything there with ________. [ ]
A.
accuracy
B.
influence
C.
curiosity
D.
emergency
【简答题】We have to look at everything ___ an international perspective.
【单选题】It has only led my thoughts to the extent that I no longer _____ any knowledge in my head, I just look everything up on its website instead.
A.
retain
B.
refrain
C.
restrain
D.
remain
【单选题】— Look! Everything here is under construction. — What's the pretty small house that ____for? [ ]
A.
is being built
B.
has been built
C.
is built
D.
is building
【单选题】Modern medical advances ______ the average life expectancy by several years.
A.
expanded
B.
spread
C.
extended
D.
enlarged
【简答题】C 语言中要求操作数必须是整数的运算符是________
【简答题】We have to look through everything.
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