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【单选题】
在SQL语句中()用于确定条件和建立语句中多个条件之间的连接。
A.
函数
B.
表达式
C.
运算符
D.
数据类型
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参考答案:
举一反三
【单选题】关于热原质错误的叙述是
A.
大多由革兰阴性细菌产生
B.
革兰阴性菌细胞壁中的脂多糖
C.
注入人体或动物体内能引|起发热反应
D.
可被高压蒸汽灭菌破坏
E.
特殊石棉滤板可除去液体中大部分热原质
【单选题】How long did the battle last?
A.
A year
B.
A day
C.
One hour
D.
26 minutes
【单选题】【B8】
A.
how much
B.
how often
C.
how well
D.
how long
【简答题】甲请A搬家公司搬家,A公司派出B、C、D三人前往。在搬家过程中,B发现甲的掌上电脑遗落在一角,便偷偷藏入自己腰包;C与D在搬运甲最珍贵的一盆兰花时不慎将其折断,为此甲与C、D二人争吵起来,争吵之时不知是谁又将甲阳台上的另一盆鲜花碰下,砸伤路人E、B、C、D见事已至此便溜之大吉。请问下面哪些说法是正确的?( )
【简答题】How long has Bryant been wearing No 8?
【单选题】How long do you think ________ the computer company brings out a new product?A.it will be before
A.
26. How long do you think ________ the computer company brings out a new product? A.it will be before
B.
will it be until
C.
will it be when
D.
it will be that
【单选题】—_____ is the drink? —It's 8 yuan.: [     ]
A.
How soon
B.
How often
C.
How much
D.
How long
【单选题】―Do you know _____? ―For two days. [     ]
A.
how long was Nancy back
B.
how long Nancy was back
C.
how long was Nancy been back
D.
how long Nancy has been back
【单选题】—How large is your house? —It's _______. [     ]
A.
long 12 meters and wide 8 meters
B.
12 meters wide and 8 meters long
C.
12 meters long and 8 meters wide
D.
12-meter-long and 8-meter-wide
【单选题】—____________ do you live from school? —8 miles.
A.
How long              
B.
How far                 
C.
Where
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