在展开图中,回路使用的标号组要与()文字符号前的“数字序号”相对应。
A.断路器
B.线圈
C.互感器
D.继电器
参考答案:C
So far the teachers have _____ several solutions to the problem that some students often fail to hand in their
homework on time. [ ]
A. worked out
B. made out
C. come out
D. burst out
患者,女性,30岁,咳嗽3周,结核菌素试验,1:2000阳性,你认为
A.可排除结核杆菌感染B.曾有结核杆菌感染C.现正患活动性结核病D.需用抗结核药物治疗E.需做胸部CT