Carol doesn't know what she should take for her trip. (改为同义句)
Carol doesn't know____ ____ ____for her trip.
下面几副对联分别出自哪一部章回体小说?请写出来。①官封弼马心何足,名注齐天意未宁。②战官渡本初败绩,劫乌巢孟德烧粮。③托塔天王梦中显圣,浪里白条水上报冤。④大观园试才题对额,荣国府归省庆元宵。
下列关于生物体内有机物的叙述正确的是( )