【简答题】What has Althouse Bus Transportation been mainly aiming at?
【简答题】听录音填空 PIL: G control, DLH409, 1 CTL: DLH409 2 until passing 3
【简答题】To dictate the reciting paragraphs. Had he 1 his university to see if there were any graduates working at Mackay whom he could 2 ? Had he asked any friends to 3 him in a mock interview? Did he go to t...
【单选题】下列有关生态系统结构的叙述,正确的是 [ ]
B.
动物都属于消费者,其中食草动物处于第二营养级
D.
细菌都属于分解者,其异化作用类型有需氧型和厌氧型两类
【简答题】如图是处于平衡状态的草原生态系统,请据图回答: (1)此生态系统中最长的食物链由______个消费者组成; (2)该生态系统中,狼属于______营养级; (3)在不同的食物链中,属第二营养级的动物有______种; (4)写出最长的一条食物链______.
【单选题】下列有关生态系统结构的叙述,正确的是 [ ]
B.
动物都属于消费者,其中食草动物处于第二营养级
D.
细菌都属于分解者,其异化作用类型有需氧型和厌氧型两类
【单选题】下列有关生态系统结构的叙述,正确的是 [ ]
C.
动物都属于消费者,其中食草动物处于第二营养级
D.
细菌都属于分解者,其呼吸作用类型有需氧型和厌氧型两类
【简答题】社区体育按照活动时间可以划分为: 、经常性体育活动、 。
【简答题】Could he write? Why or why not?