【判断题】【消耗次数：1】
植物缺钾时首先幼叶叶尖和叶缘发黄，进而变褐，逐渐枯萎；
①
正确
②
错误
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
A: Thanks to John, weve lost our most important client. B: Ive told you hes not proper for the position. A: [填空].
①
I should have listened to you
②
I dont really agree with you
③
It doesnt matter. I trust him
④
Thank you for being so helpful
【单选题】
A: How long does it take to get to your house by bus? B: [填空]. I think the tube is your best choice. A: Many thanks.
①
I dont know yet
②
It depends on the traffic
③
Let me see
④
Youll consider the distance
【单选题】
A: Hi. My name is David Manning. Im from Britain. B: Im Bill Clinton. Glad to meet you. What year are you? A: [填空].
①
Im a first-year student
②
I was born in 1990
③
Ive been here for years
④
Im 19 years old