There Was an oil painting____ in the cor

题型:选择题

问题:

There Was an oil painting____ in the corner.It _____ there for several days.

A.laying,had laid

B.lain,had laid

C.lying,had lain

D.laid,had been lain

考点:现在分词的被动式现在分词不定式的被动式过去分词
题型:选择题

A boy who was cleaning shoes in the street said to a young man     1        by, “Let me clean your shoes,    2    ?”The young man said, “No, thank you .”“You may   3   me only a pound for that, sir.” said the boy.    4        the young man refused again.
Then the boy told him that he would clean his shoes for     5   . The young man agreed to this, and soon one of his shoes was shining brightly.  The man put    6      shoe on the boy, but the boy refused to clean it unless he     7       two pounds for his work.  The young man refused to pay anything and went away.  But one looked   8  dirty that he couldn’t walk away.  He had to   9      and gave the boy    10    .  In a very short time his shoes shone brightly.
小题1:
A.passedB.passingC.passD.passes
小题2:
A.will youB.do youC.don’t youD.can you
小题3:
A.spendB.costC.takeD.pay
小题4:
A.AndB.ThenC.ButD.Or
小题5:
A.anythingB.somethingC.everythingD.nothing
小题6:
A.anotherB.othersC.the othersD.the other
小题7:
A.paidB.paysC.was paidD.pay
小题8:
A.suchB.soC.veryD.quite
小题9:
A.return backB.go awayC.come backD.leave
小题10:
A.only one poundB.half a pound
C.two poundsD.one and a half pounds
题型:选择题

今年初,惊闻海地发生地震,中国政府和人民在第一时间作出支援海地的决定:1月13日,中国红十字会向海地先期捐款1000000美元,将1000000用科学记数法表示为[ ]

A.10×105

B.1×106

C.0.1×107

D.1×105

题型:选择题

患者,男,50岁,反复咳嗽,大量脓痰,并咯血30余年,近5d症状加重入院。体检:呼吸困难明显,发绀,双下肺湿啰音。动脉血气分析示PaO250mmHg。关于其低氧血症的发生机制,下列所述是本病特有的是

A.无效腔增大
B.低通气
C.通气/血流比率失调
D.支气管静脉与肺静脉分流
E.吸入气体氧浓度低

题型:选择题

时代风格

题型:选择题

缓释或控释制剂零级释放:设零级释放速度常数为kro,体内药量为X,消除速度常数为k,若要求维持时间为t,则缓释或控释剂量Dm为多少

A.Dm=CVkrot/k

B.Dm=CVkro/k

C.Dm=CVkt

D.Dm=CVkro/k

E.Dm=CVk

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