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【单选题】
Tensile failure of ( ) concrete happens easily and involves progressive micro-cracking.
A.
forced
B.
reinforced
C.
steel
D.
unreinforced
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【单选题】( )'Every boy and every girl_____here 、Let ’s have the me eting.
A.
is
B.
are
C.
was
D.
were
【简答题】设函数f(x)=x-ln(x+m),其中m为实常数. (Ⅰ)当m为何值时,f(x)≥0; (Ⅱ)证明:当m>1时,函数f(x)在[e -m -m,e 2m -m]内有两个零点.
【简答题】已知函数f(x)=x 2 -(a+2)x+alnx,其中常数a>0. (1)当a>2时,求函数f(x)的单调递增区间; (2)当a=4时,若函数y=f(x)-m有三个不同的零点,求m的取值范围; (3)设定义在D上的函数y=h(x)在点p(x 0 ,h(x 0 ))处的切线方程为l:y=g(x),当x≠x 0 时,若 h(x)-g(x) x- x 0 >0 在D内恒成立,则称P为函数y=h(x)的...
【单选题】—My sister goes swimming every Sunday. —Oh? But she __________hate swimming.A. used
A.
10. —My sister goes swimming every Sunday. —Oh? But she __________hate swimming. A. used to
B.
use to
C.
uses to
D.
is used to
【单选题】Every spring migrating salmon return to British Columbia's rivers to spawn. And every spring new reports detail fresh disasters that befall them. This year is no different The fisheries committee of C...
A.
salmon's return to spawn and its survival
B.
the fisheries committee of Canada's House of Commons and Bryan Williams
C.
the struggle between sockeye salmon and human beings
D.
the collision between salmon's Survival and human fishery
【多选题】根据支付结算法律制度的规定,下列各项表述中不正确的有()
A.
银行承兑汇票的出票人是商业主体
B.
商业承兑汇票的承兑人是银行
C.
银行本票不允许背书转让
D.
签发支票的印章与在银行预留签章不符的支票是空头支票
【单选题】Computers are so popular in our country that every pupil knows________ e-mails.A. h
A.
10. Computers are so popular in our country that every pupil knows________ e-mails. A. how can he send
B.
how does he send
C.
how to send
D.
how sending
【简答题】Every time...
【多选题】根据《票据法》规定,允许背书转让的票据有( )。
A.
现金支票
B.
商业汇票
C.
银行汇票
D.
银行本票
【单选题】Bob goes to the Children's Palace every day _____ Sunday. Every Sunday he helps at the Old People's Home. [     ]
A.
on
B.
in
C.
during
D.
except
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