下列哪组生物可和无机环境组成一个生态系统 [ ] A．水藻、马 B．大量的小鱼、 发布时间：2017-04-30 11:59 │ 来源：www.tikuol.com 题型：选择题 问题： 下列哪组生物可和无机环境组成一个生态系统 [ ]A．水藻、马 B．大量的小鱼、大鱼 C．昆虫、小草、细菌 D．虾、水藻
题型：选择题 阅读短文，判断句子对(√)错(×)。The Twins' Bedroom (双胞胎的卧室) Lucy and Joan are twins. This is their bedroom. It's not big but very nice (好的). In the room you can see two beds (床). On Lucy's bed you can see some books. On Joan's bed you can see a kite and a doll. There are two chairs and a desk (桌子) in the room. Their pens and clock (钟表) are on the desk. Look! It's 7: 30. It's timeto go to school (到去上学的时间了).( ) 1. Lucy and Joan have two beds. ( ) 2. There is a kite and a doll on Joan's bed.( ) 3. You can see two desks in the room.( ) 4. Their pens and clock are on the desk. 查看答案
