皮皮学，免费搜题
登录
搜题
【简答题】
儿童游戏以儿童社会性发展为依据分为偶然的行为、旁观游戏、单独游戏、________、________、合作游戏。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列有关种群和群落的叙述正确的是______。
A.
种群和群落都具有典型的垂直分层现象
B.
任何区域初生演替的结果都是形成森林
C.
种群密度能够准确地反映种群数量变化的趋势
D.
群落中两个物种之间可能存在一种以上的种间关系
【单选题】Jack failed the exam again. He ________ he __________ the teacher's adivce
A.
hopes; took
B.
hopes; has taken
C.
wishes; took
D.
wishes; had taken
【单选题】听力原文：W：Jack failed in the exam again． M：He had played basketball all the time and did not study． Q：Why didn't Jack pass the exam again? (15)
A.
Jack failed in the exam for the first time.
B.
Jack was a very good basketball player.
C.
Jack paid no attention to his study before the exam.
D.
Jack played basketball after the exam.
【单选题】下列关于种群和群落的叙述中,正确的是
A.
一个池塘中所有的动植物是一个群落
B.
一个生物群落中两种生物之间可能具有两种种间关系
C.
对动物种群密度的调查方法都是标志重捕法
D.
不同种群中的生物一定属于两个物种
【单选题】听力原文：W：Jack failed in the exam again. M：He had played basketball all the time and did not study. Q：Why didn't Jack pass the exam again? (10)
A.
Jack failed in the exam for the first time.
B.
Jack was a very good basketball player.
C.
Jack paid no attention to his study before the exam.
D.
Jack played basketball after the exam.
相关题目：