灌注桩成孔定额中的孔深是指（）指桩底（设计标高）的深度。
A.桩顶
B.护筒顶
C.地面线
D.水面
参考答案：B
重症肌无力患者眼外肌受累表现不包括（）
A.眼睑下垂
B.复视
C.瞳孔散大，光反应消失
D.晨轻暮重
E.眼球活动受限
. You had better take enough money with _________ while you ___________.
A．yourself, were shopping
B．yourself, are shopping
C．you, are shopping
D．you, were shopping
