预制灭火系统启动方式的有()
A.自动控制
B.手动控制
C.传动控制
D.机械应急操作
E.气动控制
参考答案:A, B
有关半月板撕裂的MRI表现有
A.TWI加脂肪抑制显示半月板最好
B.TWI低信号半月板内有线样高信号
C.魔角现象可引起假阳性(膝横韧带、腘肌肌腱)
D.MRI诊断半月板撕裂的特异性为94%
E.TWI高信号半月板内有点状低信号
动词的适当形式填空。
1.He will go out for a walk if it ______ (not) rain tomorrow.
2.Would you like ______ (go) out for a walk ?
3.—Did you see Tom at the party?
—No, he ______ (leave) by the time I got there.
4.She said she ______ (come) to see me before she left.
5.She ______ (tell) the good news as soon as it arrived.