有关动脉性静息痛的描述,哪项是正确的()
A.伴有肢体肿胀
B.可见静脉曲张
C.夜间常取抱膝端坐体位
D.皮肤温度升高
E.足背动脉搏动增强
参考答案:C
关于我国地形特点的叙述,正确的是( )
A.地势东高西低,呈阶梯状分布
B.地势西高东低,呈阶梯状分布
C.地形多种多样,山区面积广大
D.山区面积广大,地形类型单一
—According to the weather report, there is likely to be heavy rain tomorrow.
—_______, we’ll have to change the plan for the outgoing.
A.If so
B.If not
C.Unless so
D.Unless not