单位植株体干重在单位时间内增加的干物重称为()。
A、相对生长率
B、净同化率
C、叶面积比率
D、作物生长率
参考答案:A
— I'm so anxious about my driving test tomorrow. Would you please give me some advice?
— ________. I'm sure you are good enough to pass it. Be confident of yourself.[ ]
A. Absolutely
B. Take it easy
C. You are right
D. Not really
变压器特殊巡视检查项目有哪些?