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【单选题】
柴油机扫气箱着火的原因是( )。A.
滑油压力下降,轴承发热
B.
活塞发热,活塞环漏气
C.
严重后燃,扫气压力过低
D.
B+C
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【单选题】During the ______, almost no rain fell at all.
A.
divorce
B.
embark
C.
drought
D.
wicked
【多选题】患者男，38岁。因发热2个月，心悸、气喘1个月就诊。既往体健。患者曾在当地医院以“上呼吸道感染、扩张型心肌病”治疗1月余，体温有所降低，但是心悸、气喘加重，不能平卧，下肢水肿。查体：体温37.9℃，血压18/7kPa。心界向两侧扩大，心率108次/min，律不规整，可闻及频发期前收缩，P2亢进，心尖部可闻及3/6级吹风样收缩期杂音，胸骨左缘第2肋间可闻及双期杂音，肝剑突下3cm，双下肢水肿，周围血...
A.
血培养
B.
甲状腺激素测定
C.
超声心动图
D.
ASO
E.
胸部X线
F.
心肌核素检查
【单选题】After so many weeks without rain, the ground quickly ______ the little rain that fell last night.
A.
skipped
B.
soaked
C.
retrieved
D.
absorbed
【单选题】It kept _____ all day, so we couldn't go out. [ ]
A.
rain
B.
raining
C.
to rain
D.
rained
【单选题】The rain fell all day long, ____ the small village.
A.
flood
B.
flooded
C.
flooding
D.
and flooding
【简答题】All the flights __________ because of the extremely heavy rain，we had to postpone our schedule． [A] were canceled [B] had been canceled [C] having canceled [D] having been canceled
【单选题】The rain fell all day long, ____
A.
e small village.
B.
flood
C.
flooded
D.
flooding
E.
and flooding
【单选题】After so many weeks without rain, the ground quickly ______ the little rain that fell last night.
A.
absorbed
B.
drained
C.
digested
D.
soaked
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