犬心丝虫病最合适的诊断方法是()
A.漂浮法检查粪中虫卵
B.漂浮法检查尿中虫卵
C.沉淀法检查尿中虫卵
D.粪便培养法检查幼虫
E.检查外周血液中微丝蚴
参考答案:C
He used to ______ games on the Internet, but now he is used to _______ a walk after supper.
A.play; taking
B.playing; take
C.play; take
D.playing; taking
所有教育法律条文都是教育法律规范。 ( )