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【多选题】
防止气门弹簧发生共振的措施有:A.
提高气门弹簧的自然振动频率
B.
降低气门弹簧的自然振动频率
C.
采用双气门弹簧，且旋向相同
D.
采用双气门弹簧，且旋向相反
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举一反三
【单选题】The old man feels ______ when the narrator offers to buy him some puddings.
A.
shocked
B.
happy
C.
puzzled
D.
bothered
【单选题】The old man feels lonely with ______ to look after him.
A.
someone
B.
no one
C.
anyone
D.
none
【单选题】The old man feels ____ because all his children have left home
A.
badly
B.
hardly
C.
lonely
D.
terribly
【单选题】The old man feels very _________because all his children have gone abroad and his wife _________ for almost two years.
A.
alone, has died
B.
lonely, died
C.
lonely, has been dead
D.
alone, has been dead
【简答题】SQL语言中，授予用户权限的命令是() ASELECT BREVOKE CUPDATE DGRANT
【单选题】病人,男性,56岁.因“上消化道大出血伴休克”入院,医嘱给予补液、止血治疗,下列提示输血、输液速度可适当减慢的是
A.
脉搏>120次/分
B.
收缩压>100mmHg
C.
尿量<20ml
D.
呕吐鲜红色血液
E.
CVP<5cmH2O
【简答题】园林规划
【单选题】Living on his own and only having a dog _____ company, the old man feels ______.
A.
in; alone
B.
for; lonely
C.
as: alone
D.
as; lonely
【单选题】The old man feels lonely as he cannot think of _____ to _____. [ ]
A.
someone, talk
B.
anyone, talk to
C.
nobody, talk to
D.
anybody, talk
【简答题】The
old man feels ______ when the narrator offers to buy him some puddings.A. shocked B. happy C. puzzled D. bothered
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