用腋表测量人的体温,低热的标准是
A.36.5℃~37.0℃
B.37.1℃~37.4℃
C.37.5℃~38.0℃
D.38.1℃~39.0℃
E.39.1℃~40.0℃
参考答案:C
.
It was _______ was advertised on TV that made many customers buy the computer which was not so perfect as the ad said.
A.that
B.which
C.what
D.it
电容器在电路中的作用是()。
A.通交流阻直流;
B.通直流阻交流;
C.通低频阻高频;
D.交流和直流均不能通过。