热膜式空气流量传感器的发热体是热膜而不是热线。()
参考答案:对
桑叶不具有的功效是()
A.平肝明目
B.清肺润燥
C.疏散风热
D.凉血止血
E.透疹止痒
You __________ have told him my comment on him. Now, he is very angry with me.
A.needn’t
B.couldn’t
C.shouldn’t
D.mustn’t