The pictures of the Loch Ness Monster show a remarkable resemblance to a plesiosaur, a large water reptile of the Mesozoic era presuming extinct for more than 70 million years.

A．supposed

B．presumably

C．presumptuous

D．is presumed

支配女性外生殖器的神经主要为：

A．外阴神经

B．阴部神经

C．会阴神经

D．阴蒂背神经

E．痔下神经