China has hundreds of islands, _____ is Taiwan.
A. in which the largest
B. its largest of which
C. of which the largest
D. which the largest
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We ate in a luxurious restaurant but it wasn’t such a good dinner _____ she had promised us.
A. that
B. which
C. as
D. what
小学数学规则学习的一般过程，第一.习得新规则的（）和有关规定；第二.通过基本练习，掌握（）；第三.通过变式连线，使规则的运用达到（）的程度
数学心智技能的学习分为哪四个阶段？（）（）（）（）
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