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【单选题】
下列四个选项中,均是C语言关键字的选项是A.
auto sin include
B.
switch typedef continue
C.
signed union scanf
D.
if struct type
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举一反三
【简答题】研磨混合不宜用于具有吸湿性和 [填空(1)] 的成分A. 爆炸性
【单选题】On the photo of myself, _____________the snowflakes on me.... It was snowing all morning.
A.
watch
B.
view
C.
notice
【单选题】It had been snowing heavily for two days, ____all roads and streets. [ ]
A.
to block
B.
having blocked
C.
blocking
D.
blocked
【单选题】.－It was snowing heavily last night. Is everyone here now? －Yes, and _____ of us was late for school this morning.
A.
none
B.
either
C.
neither
D.
all
【简答题】完型填空 It was a very cold morning. Some children were 1 on the ice. It was snowing 2 but they enjoyed themselves. Mike, the tallest boy, skated fast and he 3 that there was a hole 4 the ice. He 5 into t...
【单选题】选择填空。 Look! All the trees are white. It is ______. [ ]
A.
blowing
B.
raining
C.
snowing
D.
sunny
【简答题】研磨混合不宜用于具（）和（）成分的混合。
【简答题】研磨混合不宜用于具吸湿性和()成分的混合。
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