建筑琉璃产品的质量水平分为( )等级。
A．合格一个
B．优良、合格两个
C．优良、一等、合格三个
D．优良、一等、二等、三等四个
参考答案：C
— Are you a visitor here?
— That’s right. I ____ round the world and now my dream of coming to China ____ true.
A．have traveled；has come
B．was traveling had been come
C．am traveling；has come
D．have traveled；has been come
病理性双侧瞳孔缩小，可见于
A．有机磷中毒B．青光眼C．视神经萎缩D．脑肿瘤E．脑血管病变
