巧辨形近字,轻松来组词。
候( ) 增( ) 拔( ) 谁( )
喉( ) 赠( ) 拨( ) 维( )
气候;喉咙;增加;赠送;选拔;拨动;是谁;思维(答案不唯一)
利用海明码(HammingCode)纠正单位错,如果有6位信息位,则需要加入()位冗余位。
A.2
B.3
C.4
D.5
—I broke the window.
—You ____ play football near the window. [ ]
A should
B. shouldn't
C. had better
D. must