春秋战国时期提出“白马非马”命题的是（）学派。
A.纵横家
B.阴阳家
C.农家
D.名家
参考答案：D
唾液分泌中微量电解质不包括（）。
A.钠
B.钾
C.氯
D.镁
E.磷酸钙
She ______ by finding me a specially trained dog, which actually ______. [ ]
A. helped me; cheered me
B. helped me out; cheered me up
C. helped me up; cheered me up
D. helped me out; cheered me out
