题目内容：
They,the former opponents,were sitting talking side by side.I thought my eyes were playing tricks（ ）me.
on
答案解析：
选择题：They,the former opponents,were sitting talking side by side.I thought my eyes we
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- 题目类型：选择题
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The teacher has repeatedly reminded him（ ）it.of
The teacher has repeatedly reminded him（ ）it.of
Susan put a value of a thousand dollars（ ）the necklace.on
Susan put a value of a thousand dollars（ ）the necklace.on
She was so unhappy that she was（ ）the verge of committing suicide.on
She was so unhappy that she was（ ）the verge of committing suicide.on
A stream issued（ ）the bottom of the hill.from
A stream issued（ ）the bottom of the hill.from
设（x）在区间[0，2]上具有一阶连续导数，且（0）＝（2）＝0，。证明：（Ⅰ）存在ξ∈（0，2，）使得｜′（ξ）｜≥M；（Ⅱ）若对任意x∈（0，2），｜′（x
设（x）在区间[0，2]上具有一阶连续导数，且（0）＝（2）＝0，。证明：（Ⅰ）存在ξ∈（0，2，）使得｜′（ξ）｜≥M；（Ⅱ）若对任意x∈（0，2），｜′（x）｜≤M，则M＝0。