问题补充：
Our senior high school has students as my junior high school.
A. as twice
B. twice many
C. twice many as
D. twice as many
答案：
A. as twice
B. twice many
C. twice many as
(答案→)D. twice as many
解析：考查倍数表达法。考查倍数被动法。倍数表达有四种：1. “A+倍数+形容词或副词的比较级+than+B”， 2.“A+倍数+as+形容词或副词的原级+as+B”， 3. “A+倍数+the size/height/length/width， etc+of+B”， 4. “……times+what+从句”。本题是把twice放在了as…as结构的前面；故D正确。
