The correct meaning of a lexical item in a given context is

The correct meaning of a lexical item in a given context is__________A.the one

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The __________ method is more fitted to the explicit presen

The __________ method is more fitted to the explicit presentation of grammar wh

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Zhang Jun's teacher suggests that he take a(n)__________lan

Zhang Jun's teacher suggests that he take a(n)__________language course to impr

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Which of the following may better check students' ability o

Which of the following may better check students' ability of using a grammatica

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已知 (1)若a//b,求a·b; (2)若a、b的夹角为60。,求la+bl; (3)若a-b与a垂直,求当k为何值时

已知 (1)若a//b,求a·b; (2)若a、b的夹角为60。,求la+bl; (3)若a-b与a垂直,求当k为何值时,(ka-b)垂直(a+2b)。

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