孙中山主张对外开放,重视向西方学习,在教育领域他注重()。
参考答案:留学教育
The ______ sound of movements in the kitchen suggested that the children were secretly helping themselves to the chocolate cake.
A.faint
B.vague
C.slender
D.dim
由乙酸、乙二酸和甲酸组成的混合物xg,经完全燃烧生成CO2 4.48L(标准状况) ,完全中和同质量的混合物需80mL2mol/LNaOH溶液,则x的数值可能是
A.5.40g
B.6.25g
C.7.85g
D.8.10g