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题目内容
（郑州工程技术学院-大学英语（2））
43.
These devices mounted in the car can _______ driver to an impending hazard.
(A) instruct
(B) warn
(C) dictate
(D) alert
These devices mounted in the car can _______ driver to an impending hazard.
(A) instruct
(B) warn
(C) dictate
(D) alert
参考答案