83. A) claim B) conclusion C) concept D) explanation
83. A) claim
B) conclusion
C) concept
D) explanation
83. A) claim
B) conclusion
C) concept
D) explanation
第1题
Scientists first ________ the idea of the atom bomb in the 1930s.
A) imagined
B) conceived
C) considered
D) acknowledged
第2题
83. A) identify
B) locate
C) reveal
D) discover
第3题
Why was Townes' early work with stimulated emission done with microwaves?
A.He was not concerned with light amplification.
B.It was easier to work with longer wavelengths.
C.His partner Schawlow had already begun to work on laser.
D.The laser had already been developed.
第5题
83. A) labels C) vehicles
B) cycles D) devices
第6题
A.64.1142
B.68. 2506
C.69. 0779
D.83. 3485
第8题
A.may be hardly doubted
B.may be seriously doubted
C.may be hard doubting
D.may be doubted serious
第9题
A.inferior
B.superior
C.deceptive
D.detective
第10题
A.being concerned
B.concerning
C.concerned
D.be concerned