黑龙江沿岸以冰雪旅游、避暑旅游、湿地旅游、边境旅游、历史遗迹和民俗风情旅游而著称。
参考答案：对
We have to ________ school uniforms in school every day.[ ]
A. put on
B. have
C. wear
D. are in
毛细管气阻越（）线性关系越好。
