椎动脉入颅的位置是()
A.卵圆孔
B.茎乳孔
C.枕骨大孔
D.棘孔
E.颅底动脉管
参考答案:C
用所给的单词适当的形式填空(5%)
小题1:It’s only six ________(minute)to walk from my home to the park.
小题2:It ________(take)me half an hour to get to school by bike.
小题3:Most of ________(they) often go to work by train.
小题4:Jim always __________(forget) to come here on time.
小题5:There _________(be) some milk in the cup.
连续执行以下命令之后,最后一条命令的输出结果是______。 SET EXACT OFF X="A" IIF("A"=X,X-"BCD",X+"BCD")
A.A
B.BCD
C.ABCD
D.ABCD