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【单选题】
气瓶填充站的面积超过100平米或同一时间生产人员超过5人的生产厂房必须设置()。A.
一个紧急出口
B.
两个紧急出口
C.
一个大门
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举一反三
【简答题】My coach and boyfriend says ______ going to the U.S.A. next week. (they are/ he is)
【单选题】在SQL Server 2000中，有商品表(商品号，商品名，单价)和销售表(商品号，销售时间，销售价格)。现要限制“销售价格”的取值必须在此商品“单价”的0.6倍到1.5倍范围之内，实现这个约束的正确代码是______。
A.
CHECK(销售价格BETWEEN单价*0.6 AND单价*1.5)
B.
CHECK(销售价格BETWEEN商品表.单价*0.6 AND商品表.单价*1.5)
C.
CREATE TRIGGER tri_Sales ON销售表FOR INSERT，UPDATE AS IF EXISTS(SELECT*FROM INSERTED a JOIN商品表b ON a.商品号=b.商品号 WHERE销售价格NOT BETWEEN单价*0.6 AND单价*1.5) ROLLBACK
D.
CREATE TRIGGER tri_Sales ON销售表INSTEAD OF INSERT，UPDATE AS IF EXISTS(SELECT*FROM INSERTED a JOIN商品表b ON a.商品号=b.商品号 WHERE销售价格NOT BETWEEN单价*0.6 AND单价*1.5) ROLLBACK
【单选题】Caitlin is angry with her boyfriend, so she refuses to sit near him in the car or to let him get really close to her while they are walking. To communicate her anger, Caitlin is relying on __________.
A.
artifacts
B.
chronemics
C.
proxemics
D.
paralanguage
【简答题】It’s a Friday night. Your girl friends are out at a bar and your boyfriend is playing soccer with his mates. Two text messages later, you’re eating pizza and watching action movies with three guy frie...
【单选题】y 1 、 、q、p含义分别为( )。
A.
极距、节距、槽数、极数
B.
极距、节距、槽数、极对数
C.
节距、极距、每极每相槽数、极数
D.
节距、极距、每极每相槽数、极对数
【简答题】chat on line watch a movie talk on the phone go hiking look at an exhibit flick through newspapers jogging window shopping hang out with friends play with a pet 6. Both Lisa and her bo...
【简答题】简述狭义的和广义的社会化研究领域。
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