急性腰扭伤时应注意：
A．腱鞘囊肿疼痛剧烈者B．腱鞘囊肿小而平者C．腱鞘囊肿大而坚硬者D．腱鞘囊肿无明显不适者E．一般腱鞘囊肿
参考答案：A
If we ______ develop the world successfully, we must make sure that everyone is able to take part
in the new world we create. [ ]
A. are about to
B. are going to
C. are to
D. will
（）在进、回风道交叉点，内避免风流短路而设置的使进、回风隔开的设施。
A.风门
B.风墙
C.风桥
