But let no one think that pleasure is immoral. Pleasure in itself is a great good, all pleasure, but its consequences may be such (31) the sensible person eschews certain varieties of (32) Nor need pleasure be gross and sensual. They are wise in their generation (33) have discovered that intellectual pleasure is the most satisfying and the most enduring. It is well to (34) the habit of reading. There are (35) sports in which you can engage to your own satisfaction after you have passed the prime of life; there are no games except patience, chess problems and crossword puzzles that you can play without someone to play them with you. Reading suffers (36) no such disadvantages; there is no occupation—except perhaps needle- work, but that leaves the restless spirit (37) liberty—which you can more easily (38) up at any moment, for any period, and more easily put (39) when other calls press upon you; there is no other amusement that can be obtained in these happy days of public liberties and cheap editions at so small a (40) . To acquire the habit of reading is to construct for yourself a refuge from almost all the miseries of life.

A．his

B．its

C．it

D．him

于紧急停车和正常停车，下列说法正确的是（）。

A.使用紧急停车键时，机台从高速运转到停止运动所需时间比正常停车短

B.紧急停车键操作方便，可代替正常停车键使用

C.在任何情况下，操作紧急停车键都必须先向上级汇报，批准后方可操作

D.两种停车方式启动的停车所需时间相同