图表示几位同学在“练习用温度计测液体的温度”实验中的做法。正确的是:[ ]
A.
B.
C.
D.
答案:D
我国成品油消费税率实行的是( )。
A.比例税率
B.累进税率
C.定额税率
D.累退税率
Everybody except the two young boys __________ shocked by the bad news. People looked at each other in __________.
A.was; silence
B.were; silence
C.was; silent
D.were; silent