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【单选题】
列族数据库创建表时_________________
A.
必须创建列,不必创建列族
B.
必须创建列族,不必创建列
C.
列族和列都要创建
D.
列族和列都不必创建
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举一反三
【单选题】Call me, write to me, email me; __, let's keep in touch.
A.
over and over
B.
at any rate
C.
in unison
D.
know better than that
【单选题】机体初次感染产生的抗体主要是
A.
IgA
B.
IgM
C.
IgG
D.
IgE
E.
IgD
【单选题】Call me, write to me, email me; ,let's keep in touch.
A.
besides
B.
in addition to
C.
what's more
D.
at any rate
【单选题】—I'm a teenager's mother. Sometimes I don't know _____. —Love and understanding.
A.
what my son needs most
B.
what does my son want to get
C.
why my son gets annoyed very often
D.
why does my son get annoyed very often
【单选题】若传热系数 K 满足公式: 1.PNG ,当ao >>ai 时,为了提高 K 值,最有效的途径是( )。
A.
ao 提高
B.
ai提高
C.
ai、ao同时提高
D.
不能确定
【简答题】Water cannot resist(反抗) a pressure(压力) exerted on it in only one direction, the way, for example, a block of steel(钢块) can when it resists being squeezed(挤压) in a vise(台钳).
【单选题】They don’t know what their problems are, so they will first send in trained nurses to ______ the needs of each patient.
A.
guess
B.
look
C.
evaluate
D.
examine
【多选题】促进人与自然的和谐,要做到( )
A.
人有多大胆,地有多大产
B.
人可以无节制地向自然界索取
C.
在改造自然的同时保护好自然
D.
尊重自然、顺应自然、珍爱自然
【判断题】“小马事业能取得成功是因为他很用功。”这种观点犯了“合理即正确”的思维谬误。( )
A.
正确
B.
错误
【单选题】Call me, write to me, email me; , let's keep in touch.
A.
on any rate
B.
from any rate
C.
to any rate
D.
at any rate
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