中 * * 、国务院正式提出实现 “四个现代化”的宏伟目标，是在哪一次会议上 [ ]
A．一届人大
B．二届人大
C．三届人大
D．十一届三中全会
答案：C
— Speak ______, please, because I can't hear a word from the back.
— Well, it's ______ enough. [ ]
A. loudly, loudly
B. louder, loud
C. loud, louder
D. loud, too loud
氧合指数
