如图箭头所示为大脑哪个部位（）
A．脉络丛
B．透明隔
C．屏状核
D．第三脑室
E．中脑导水管
参考答案：B
长方形的周长一定时，长和宽成反比例．______．（判断对错）
Many of them turned a deaf ear to his advice, _______ they knew it to be valuable.
A．as if
B．even though
C．now that
D．so that
