劳动者在职业活动中接触职业性有害因素所直接引起的疾病称为()
A.工作有关疾病
B.工伤
C.职业性多发病
D.职业病
E.职业特征
参考答案:D
顺义在历史上以( )著称
A.北京粮仓
B.京南之户
C.路上码头
D.京东粮仓
The less the surface of the ground yields to the weight of the body of a runner, () to the body.
A. the stress it is greater
B. greater is the stress
C. greater stress is
D. the greater the stress