电视胸腔镜的简称是()
A.VTAS
B.VATS
C.VSTA
D.VSAT
E.VTSA
参考答案:B
I won't pay $ 200 for this article, it's not worth ( ).
A. all that muchB. that all muchC. that much allD. much all that
探放水钻孔要打中老空水体,至少有()孔要打中老空水体底板,才有可能放完老空水。
A.1个
B.2个
C.3个
D.4个