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【单选题】
下列叙述不正确的是（ ）A.
直径介于1 nm ~ 100 nm之间的微粒称为胶体
B.
少量植物油和水的混合物 中分散质粒子直径比硫酸溶液中分散质粒子直径大
C.
Fe(OH) 3 胶体具有吸附性，能吸附水中的悬浮颗粒并沉降，因而常用于净水
D.
一束光线分别通过溶液和胶体时，后者会出 现光亮的通路，前者没有
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【单选题】My trip to the small village under the control of the enemy fire was full of delays and difficulties, but I ually ( ) .
A.
got by
B.
turned it over
C.
hit the sack
D.
made it
【单选题】After the big fire, only a small part of the forest _____. [ ]
A.
kept
B.
appeared
C.
remained
D.
continued
【简答题】A．A small horse B．Cigarettes C．A mirror D．Fire arrows
【单选题】Which of the following small towns holds the Prairie Fire Festival annually?
A.
Cassoday.
B.
Cottonwood Falls.
C.
Chase County.
D.
Clements.
【简答题】阅读理解。 This morning, a boy of twelve saw a small fire at one end of a ship. Tom left home very early, against the wishes of his father, to see the ships at the port. It was a good thing that he did, be...
【单选题】The building, _________ roof was damaged in the big fire, is actually a small hospital.
A.
where
B.
whose
C.
which
D.
that
【简答题】A．In a log cabin. B．In a shelter. C．In the forest with an open fire. D．In a small house.
【单选题】If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?
A.
Fixed CO2, semi-portable CO2, then hand portable CO2
B.
Semi-portable CO2, fixed CO2, then hand portable CO2
C.
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.
Hand portable, fixed CO2, then as a last resort the semi-portable CO2
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