微倾式水准仪的各轴线之间应满足下列几何条件：（1）圆水准器轴（）竖轴。（2）望远镜十字丝中丝（）竖轴。（3）视准轴（）管水准器轴。
参考答案：平行，垂直，平行
This year the number of the US students ____in China has increased by 18.4percent compared to last year.
A． to study
B． studying
C． having studied
D． studied
患者，男，28岁，下痢2天，现下痢赤白黏胨，腹痛，里急后重，肛门灼热，小便短赤，舌红苔黄腻，脉滑数。
首选治疗方剂为（）
A.葛根芩连汤
B.白头翁汤
C.连理汤
D.芍药汤
E.以上都不是
