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【判断题】
III 、 V 族元素在硅、锗中均为填隙式杂质。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】关于混凝土取样与试块留置的说法，正确的有（ ）。
A.
用于检查结构构件混凝土强度的试件，应在混凝土运至施工现场后首立方内抽取
B.
当一次连续浇筑超过l000rn3时，同一配合比的混凝土每200ma取样不得少于一次
C.
每一楼层、同一配合比的混凝土，取样不得少于一次
D.
每次取样都必须留置标准养护试件，至少一组
E.
每次取样都必须留置同条件养护试件，至少三组
【单选题】What war began between the United States and the Soviet Union after World War II?
A.
Cold War
B.
Korean War
C.
Afghanistan War
D.
Vietnam War
E.
World War II
【单选题】It was in 1939 that __broke out. A. World War Second B. the World War Second C. Second World War D. World War II
A.
World War Second
B.
the World War Second
C.
Second World War
D.
World War II
【简答题】Which war broke in 1937? The War of Resistance ______.
【简答题】w arehouse
【简答题】A．The Spanish Civil War. B．The First World War. C．The Second World War. D．The futility of war.
【单选题】Only when______ in 1945 ______to his hometown.
A.
the war war over he returned
B.
was the war over he returned
C.
was the war over did he return
D.
the war was over did he return
【单选题】What war began between the United States and the Soviet Union after World War II?
A.
Cold War
B.
Korean War
C.
Afghanistan War
D.
Vietnam War
E.
World War III
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