一 Hold the ladder for me! 一 That's ____.

— My parents died when I was very small, and I started to make a living by selling newspapers

     at the age of ten.

— I really have much ________ for you. [      ]

A. belief 

B. pride

C. sympathy

D. strength

（﹣3）⁴表示[ ]

A．4个﹣3的积

B．﹣3与4的积

C．4个﹣3的和

D．3个﹣4的和

骨盆骨折最重要的体征是

A．畸形
B．反常活动
C．局部压痛及间接挤压痛
D．骨擦音及骨擦感
E．肿胀及淤斑

下列法律部门中，《劳动合同法》属于（）。

A.经济法

B.社会法

C.行政法

D.民法商法

高斯投影属于那种投影？