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【单选题】
在马路上行走要注意交通安全，下列哪种行为具有安全隐患? ( )A.
不跨越、攀登道路上的隔离护栏。
B.
列横队通行，纵队不准超过两人。
C.
横过道路时，注意左右观望，快速通过，不斜穿猛跑。
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【单选题】My old neighbor Charles felt ______ after his children moved out.
A.
lonely
B.
safely
C.
angrily
D.
happily
【单选题】用于手工钎焊的 Sn63焊锡丝的熔点只有183°C,从成分上看,Sn63焊锡丝属于()。 A亚共晶合金 B共晶合金 C过共晶合金
A.
亚共晶合金
B.
共晶合金
C.
过共晶合金
D.
都不是
【单选题】My old neighbor Charles felt__________ after his children moved out.
A.
safely
B.
lonely
C.
happyly
D.
easier
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【单选题】The old man, my new neighbor, was seen _____ out of the house after the murder.
A.
came
B.
had come
C.
comes
D.
to come
【简答题】One of my. next-door neighbor is a sweet 92-year-old Polish lady. A few days ago, I came back from a trip. As I was 16 . my clothes in my room, I heard a(n) 17 , frantic(发疯的) knock on the door. It was...
【简答题】My new neighbor is an old woman and ________(pension)
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