电容器中性母线应刷()色。
A、黑
B、赭
C、灰
D、紫
参考答案:B
燥邪犯肺证,可见()
A.咳嗽,咳痰稀白
B.咳嗽,痰多泡沫
C.咳喘,咳痰黄稠
D.咳嗽,痰少难咳
E.咳喘,痰多易咳
– You are always thinking of yourself! You kept me waiting for two hours.
-- I am sorry that you _____think so.
A.would
B.can’t
C.should
D.needn’t