【简答题】红外辐射就是红外光,红外光的最大特点就是具有()效应,能辐射热量。
【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
【判断题】理查德·罗蒂是美国新实用主义哲学的代表之一。()
【简答题】Which war broke in 1937? The War of Resistance ______.
【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