鼻-鼻旁窦恶性肿瘤侵犯后组筛窦或蝶窦,肿瘤的T分级是()
A.Tis
B.T1
C.T2
D.T3
E.T4
参考答案:E
哺乳动物中,不是胎生,而是卵生的动物是
A.袋鼠
B.鸭嘴兽
C.蝙蝠
D.鲸
If you are able to talk to a friend over the telephone, you feel that you are close ______ the actual distance is not shortened.
A.even if
B.so long as
C.if
D.as