舒张早期奔马律常见于
A.瘀点B.充血性皮疹C.瘀斑D.血肿E.小红痣
参考答案:B
I don’t know ______ he will come tomorrow. ______ he comes , I’ll tell you.
A.if ; Whether
B.whether; Whether
C.if ; That
D.if ; If
熔断器的熔体是控制()特性的关键。
A、短路
B、开路
C、熔断
D、接通