欲测定植物是否进行光反应，可以检测是否[ ]
A．葡萄糖的生成
B．淀粉的生成
C．O2的释放
D．CO2的吸收
答案：C
The valley was so deep that it had been ten seconds _________the stone feel off to the bottom.
A since B before C when D until
《Internet of Things，IOT》年度报告中，提出了RFID或传感器芯片互联的通信协议标准。
