问题
选择题
He has been here in this modern city for, just a few days, and he is about night life in this city.
A．worried
B．innocent
C．particular
D．doubtful
答案
答案：B
搜题请搜索小程序“爱下问搜题”
He has been here in this modern city for, just a few days, and he is about night life in this city.
A．worried
B．innocent
C．particular
D．doubtful
答案：B
下面是生物现象及其表现出来的生物关系，请你将右侧的字母填写在横线上。
| ①老虎吃野猪 | A．合作关系 |
| ②许多蜜蜂在酿蜜 | B．竞争关系 |
| ③田里的水稻与杂草 | C．捕食关系 |
| ④猫捉老鼠 | D．寄生关系 |
| ⑤蚂蚁搬家 | |
| ⑥血吸虫在钉螺里 |