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【单选题】
There is a wider range of chievement amongst English pupils studying maths than amongst their Japanese counterparts.
A.
YES
B.
NO
C.
NOT GIVEN
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】Nozzles that capable of implementing thrust vectoring technology includes: ____.
A.
Binary thrust vectoring nozzle
B.
Axisymmetric thrust vectoring nozzle
C.
Adopts baffle behind the nozzle
D.
Steerable vertical take-off and landing nozzle
【单选题】The thrust generated by propellers of turboprop engines took ____ of the total thrust.
A.
10%
B.
50%
C.
75%
D.
90%
【多选题】Compared with piston engines, the main advantages of turboshaft engines are: ____.
A.
Low fuel consumption
B.
High power
C.
Light weight
D.
Low noise
【单选题】When a new mathstopic is introduced,
A.
Astudents answer questions on the board.
B.
Bstudents rely entirely on the textbook.
C.
Cit is carefully and patiently explained to the students.
D.
Dit is usual for students to use extra worksheets.