皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
由于黄土高原的作用,即使流入黄河的泥沙得到进一步控制,黄河也不会是蓝色的。现在有些人很担心长江的变化,有人甚至说长江已经变成了第二条黄河。但从科学的角度讲,长江永远不会变成黄河,因为,长江流域的地形、地貌与黄河流域根本不同。这段文字的主旨在于:
A.
不必担心长江变黄
B.
说明黄土高原对黄河的影响
C.
阐明长江与黄河的不同之处
D.
介绍长江流域独特的地形、地貌
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
【单选题】额窦开口于:
A.
上鼻道
B.
中鼻道
C.
下鼻道
D.
蝶筛隐窝
E.
上.中鼻道均有开口
查看完整题目与答案
【单选题】图中的两片 74 LS90 构成 的是( ) 进制计数器 。
A.
22
B.
23
C.
24
D.
25
查看完整题目与答案
【简答题】deep ; deeply a. He pushed the stick ________ into the mud. b. Even father was __________ moved by the film.
查看完整题目与答案
【单选题】He pushed the stick into the mud.
A.
deep
B.
deeply
C.
depth
D.
deepen
查看完整题目与答案
【单选题】听力原文：W: Hey, Bob! So how was the movie? M: Well, I didn't really enjoy it very much. W: Why? That film got great reviews. It's really popular. M: Oh, the movie was fine. I just got irritated by the pe...
A.
He didn't really enjoy it very much.
B.
He liked its story, but the music was awful.
C.
He enjoyed every minute of the movie.
D.
He was excited with the development of the story.
查看完整题目与答案
【单选题】图 T100-1 中 74LS90 是集成计数器,图示电路构成的是( ) 。
A.
四
B.
五
C.
六
查看完整题目与答案
【简答题】deep/ deeply He pushed the stick ________ into the mud. He often works ________ into the night. Even father was _______ moved by the film.
查看完整题目与答案
【单选题】图中 74 LS90 构成 的是( ) 进制计数器 。
A.
7
B.
8
C.
9
D.
10
查看完整题目与答案
【单选题】图中的两片 74 LS90 构成 的是( ) 进制计数器 。
A.
53
B.
54
C.
55
D.
67
查看完整题目与答案
【单选题】图中的两片 74 LS90 构成 的是( ) 进制计数器 。
A.
11
B.
12
C.
13
D.
14
查看完整题目与答案
相关题目：
【单选题】额窦开口于:
A.
上鼻道
B.
中鼻道
C.
下鼻道
D.
蝶筛隐窝
E.
上.中鼻道均有开口
查看完整题目与答案
【单选题】图中的两片 74 LS90 构成 的是( ) 进制计数器 。
A.
22
B.
23
C.
24
D.
25
查看完整题目与答案
【简答题】deep ; deeply a. He pushed the stick ________ into the mud. b. Even father was __________ moved by the film.
查看完整题目与答案
【单选题】He pushed the stick into the mud.
A.
deep
B.
deeply
C.
depth
D.
deepen
查看完整题目与答案
【单选题】听力原文：W: Hey, Bob! So how was the movie? M: Well, I didn't really enjoy it very much. W: Why? That film got great reviews. It's really popular. M: Oh, the movie was fine. I just got irritated by the pe...
A.
He didn't really enjoy it very much.
B.
He liked its story, but the music was awful.
C.
He enjoyed every minute of the movie.
D.
He was excited with the development of the story.
查看完整题目与答案
【单选题】图 T100-1 中 74LS90 是集成计数器,图示电路构成的是( ) 。
A.
四
B.
五
C.
六
查看完整题目与答案
【简答题】deep/ deeply He pushed the stick ________ into the mud. He often works ________ into the night. Even father was _______ moved by the film.
查看完整题目与答案
【单选题】图中 74 LS90 构成 的是( ) 进制计数器 。
A.
7
B.
8
C.
9
D.
10
查看完整题目与答案
【单选题】图中的两片 74 LS90 构成 的是( ) 进制计数器 。
A.
53
B.
54
C.
55
D.
67
查看完整题目与答案
【单选题】图中的两片 74 LS90 构成 的是( ) 进制计数器 。
A.
11
B.
12
C.
13
D.
14
查看完整题目与答案
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