选择题：13、(单选、2.5分)_____ makes men different from the oth

题目内容：

13、(单选、2.5分)
_____ makes men different from the other animals is that they can think and speak.
A、That
B、The thing
C、All
D、What

参考答案：

10、(单选、2.5分)— What do you think of your new teache

10、(单选、2.5分)— What do you think of your new teacher?— __________________________

在限压式变量泵与调速阀组成的容积节流调速回路中，若负载从F1降到F2而调速阀开口不变时，泵的工作压力（）。 A、增加 B、减小 C、不变

32、(单选、2.5分)He entered the office hurriedly,__________the door open.A、leavingB、l

6. 下列能评价烃源岩有机质丰度的参数为__ __( )(本题5.0分) A、 TOC; B、 TTI; C、 Ro; D、 CPI