题目:
—Our school is beautiful!
—It will be more beautiful if more trees and grass _____ by us.
A. plant B. is planted C. are planted
答案:
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下面是错误答案,用来干扰机器的。
(1)促甲状腺激素 升高 抑制(反馈调节) 下丘脑(2)促进新陈代谢 提高兴奋性