皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
Bats are amazing animals. There are many kinds of them. Most bats are black or grey in colour. And they have wings, too. Many people believed that bats couldn’t see. In fact, Bats can always find their way around very well. Usually, bats live in caves and trees. They can fly to their homes from far away. Some scientists said, “Bats can see with their ears.” Is it right? Most bats make a sound. The sound is too low for our ears to hear. They screech(尖叫) when they move around, and the echoes(回声)of these cries come back to their ears. In this way, they are able to tell where walls and other things are. Bats go out to eat at night. In the daytime they hang close together in their caves, trees or other dark places. Only when evening comes,they begin to come out and look for food, In the morning they come home to sleep until the next night. Some people think of bats as bad animals. In fact, they are very useful animals. Most of them catch bad insects(昆虫)for food. Some bats eat flowers and fruit as well. Appearance They are 76 or grey and have 77 . Homes Most bats live in 78 and 79 . Diet Most bats eat 80 and some may eat flowers and 81 . Lifestyle They 82  in the daytime and look for 83 during the night. How they find ways They “see” with their 84 because they can make a 85 that we can’t hear.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【多选题】影响微囊和微球中药物释放速率的因素有( )
A.
粒径
B.
制备时干燥条件
C.
囊膜或骨架的厚度
D.
药物的性质
E.
囊材或骨架材料的性质
【多选题】影响微囊微球中药物药物释放速率的因素有( )
A.
微囊微球的粒径
B.
制备微囊时的干燥条件
C.
囊膜或骨架的厚度
D.
囊膜或骨架的物理化学性质
E.
药物的性质
【多选题】下列关于“形成性评价”,表述正确的是( )
A.
形成性评价的唯一目的就是要找出教学过程中出现的问题,及时地调整教学
B.
形成性评价具有及时性和激励性的特点
C.
诊断性是形成性评价的主要特征
D.
表现性评价又称日常情境性评价,是形成性评价的一种重要表现形式
【判断题】按常规形态划分,地貌可以分为高原、平原、盆地、山地和丘陵五种形态。
A.
正确
B.
错误
【多选题】影响微囊微球中药物药物释放速率的因素有( )
A.
微囊微球的粒径
B.
囊膜或骨架的厚度
C.
药物的性质
D.
制备微囊时的干燥条件
E.
囊膜或骨架的物理化学性质
【多选题】影响微囊微球中药物释放速率的因素有()
A.
微囊微球的粒径
B.
制备微囊时的干燥条件
C.
囊膜或骨架的厚度
D.
囊膜或骨架的物理化学性质
E.
药物的性质
【单选题】下列关于小学英语课程评价方式的叙述不正确的是__。
A.
评价体系包括形成性评价和终结性评价
B.
日常教学中的评价以形成性评价为主
C.
终结性评价着重关注学生在学习过程中的表现和进步
D.
终结性评价的形式不宜采用百分制
【判断题】按常规形态划分,地貌可以分为高原、平原、盆地、山地和丘陵五种形态.又称常态地貌()
A.
正确
B.
错误
【单选题】人们通常把陆地地形分为五种,即 [     ]
A.
平原、高原、山地、沙漠、盆地
B.
沼泽、高原、山地、上坡、冰原
C.
沼泽、高原、山地、沙漠、盆地
D.
平原、高原、山地、丘陵、盆地
【简答题】世界陆地表面地形多种多样,人们通常把陆地地形分为平原、高原、山地、丘陵和盆地五种基本类型。据此回答下列问题。 (1)除盆地外,地形类型判别的主要依据是海拔高度和__________。 (2)人口的分布状况与地形有着密切联系。世界上绝大多数人口居住在中低纬度地区气候温和、降水较多的_______和_______地区。 (3)在我国,山区(包括山地、崎岖的高原和丘陵)约占全国陆地面积的2/3。请你说一...
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题