单项选择题 John doesn’t believe in ________ medicine; he has some remedies of his own.A.I have a lot of homework to do. B.I cannot play basketball well. C.I need to go to the bookstore to buy some books. D.All the options.
单项选择题 男性生殖系统（ ）A、内生殖器由生殖腺和输精管道两部组成B、睾丸产生的精子先贮存于附睾内C、精囊腺为贮存精子的囊D、男性激素由精曲小管上皮产生E、阴茎由一个海绵体包以皮肤构成
单项选择题 What rhetorical device is used in the underlined part of the sentence "Until we are marching backwards to the glorious age of sixteenth century"?A.OxymoronB.MetaphorC.IronyD.Sarcasm