【单选题】What caused the loss of the man's legs?
B.
A bad fall in the mountain.
C.
An unsuccessful operation,
【单选题】软件设计要遵循的基本原则包括()。①模块化②抽象⑨封装④信息隐蔽
【单选题】\t软件设计要遵循的基本原则包括()。\t①模块化 ②抽象 ③封装 ④信息隐蔽
【多选题】Low Fall in statements conveys____________or____________.
【单选题】Lens designers today______.
A.
have a large source of help to fall back on
C.
are less respectable than those of the past
D.
are not decisive in the lens design