四肢手术折线时间为()
A.4~5天
B.6~7天
C.7~9天
D.10~12天
E.14天
参考答案:H
下列说法正确的是 [ ]
A.-1的相反数是1
B.-1的倒数是1
C.-1的平方根是1
D.-1的立方根是1
What an _______day ! After a whole day’s hiking, I am completely ________.
A.exhausted; exhausted
B.exhausting; exhausting
C.exhausting; exhausted
D.exhausted; exhausting