植食动物是生态系统中的初级消费者，属于第一营养级。( )
参考答案：错
解析：应改为：植食动物属于第二营养级。
I’m not a little tired today after giving the room a thorough cleaning and I have never had ______today.
A．as tiring a day as
B．as a tiring day as
C．tiring as a day as
D．day as a tiring as
颅内压增高的三大主征是
A．头痛、视力下降、恶心
B．头痛、偏瘫、抽搐
C．偏瘫、偏盲、偏身感觉障碍
D．血压升高、脉博变快、呼吸变快
E．头痛、呕吐、视神经 * * 水肿
