新型AEDs在FDA妊娠安全分级为()。
A.A级
B.B级
C.C级
D.D级
E.X级
参考答案:C
It’s already 9:00 and Lucy is ______ for us there.
A.likely to waiting
B.likely to wait
C.possible to wait
D.possible to be waiting
护卫舰艇与猎潜舰艇有什么共同之处?