风湿性关节炎的主要临床特点是
A．侵犯大关节
B．红、肿、热、痛
C．呈游走性
D．约持续1～2个月
E．最终留有关节畸形
参考答案：A,B,C,D
—How much is the T-shirt ___________?
—65 dollars
A．worth
B．cost
C．worthy
D．worthwhile
In order to keep healthy, you should eat _____ fast food, _____ fresh vegetables and take _____ exercise.[ ]
A. fewer; fewer; a lot
B. less; less; lots of
C. fewer; more; a lot of
D. less; more; enough
