【判断题】由于报关人员操作或书写错误造成所申报的报关内容有误,可在海关接受申报后,进行内容的修改
【单选题】渐开线上某点的压 渐开线上某点的压力角是指该点所受压力的方向与该点( ) 方 向线之间所夹的锐角
【判断题】由于臭氧对紫外线的强烈吸收,且离地面较远,平流层的气温随高度增加而升高。
【简答题】试述花岗岩、玄武岩的风化作用阶段及其风化产物。
【判断题】平流层中气温随高度增加而升高,没有强烈的对流运动。
【判断题】对流层的温度变化主要特征是气温随高度增加而升高。()
【单选题】What’s Dave’s plan for the weekend?
A.
He wants to hang out with his friends at the lake.
B.
He wants to invite Dave to his house for dinner.
C.
He wants to invite Dave to go to the movies on Sunday.
D.
He wants to go to the boxing class with Dave.