月球自转与公转一周所需的时间相同,即___________天。
六年级科学总复习

Quiz
•
Science
•
6th Grade
•
Medium
SENG Moe
Used 68+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
27⅓
28⅓
27½
29
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. 仙人掌除了有_____________,可避免流失太多水分,也有可贮存水分的______与可延伸至土壤深处的_____,以吸取地下水。
长根、茎、针状叶
针状叶、长根、茎
茎、长根、针状叶
针状叶、茎、长根
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
________和___________是造成铁制品生锈的两个因素。
阳光
空气
水
四周的温度
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
水的___________形态是冰块,____________形态是水蒸气,而在常温下,水处于___________形态。
固体、液体、气体
气体、固体、液体
液体、气体、固体
固体、气体、液体
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪项是微生物生长的条件?(答案超过一个)
水分
阳光
空气
适当的温度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是大雁适应严寒气候的方法?
进行冬眠
身上有厚毛
躲在洞穴里
迁徒到温暖的地方
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
如果青蛙没有产下大量的卵,将会发生什么事?(答案可复选)
青蛙以群居方式保护自己
青蛙的数量减少,慢慢地会濒临绝种
卵会被天敌吃掉
青蛙会攻击天敌
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