病情稳定的慢性病患者至少()天记录一次病程。
A.3天
B.1天
C.2天
D.4天
参考答案:A
It is a strange phenomenon that some young people today think it is their parents’responsibility to earn money and_______ to spend it.
A.them
B.they
C.their
D.theirs
阀门规格Z44H25中H是()。
A.结构型代号
B.连接型代号
C.阀门型代号
D.密封圈材质代号