皮皮学，免费搜题
登录
搜题
【单选题】
读入侵我国的寒潮路径图，“瑞雪兆丰年”这句农谚反映出的寒潮益处是（ ）【图片】A.
高低纬热量交换
B.
缓解冬季旱情
C.
抑制有机质分解，保持肥力
D.
保持物种的繁茂
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
【简答题】I often thought about ______ my old birthplace, but I never ______ because I had no time. a. visiting…made that b. visiting…made it c. visit…took it d. visit…finished it
【单选题】骨骼肌纤维收缩时,细肌丝中肌动蛋白与 ______ 头部相结合,分解ATP释放能量, ______ 屈动。
A.
肌钙蛋白、横桥
B.
肌球蛋白、横桥
C.
原肌球蛋白、肌钙蛋白
D.
肌球蛋白、原肌球蛋白
E.
肌钙蛋白、肌质网
【简答题】短文填词 To learn with your classmates is important in learning process. At the b ________I thought that learning was none of others' business.I kept telling myself the truth ________the harder you study,...
【单选题】I had no ______of who I was or what I was going to be.
A.
mind
B.
idea
C.
think
D.
thought
【简答题】I Never Thought It Could Happen to Me 'I thought I had planned for everything.' These are the words of a flood victim—they could be yours. Thousands of people every year find out that it CAN happen. A...
【单选题】I had thought it would be a similar experience ________ what I was used to, yet I was wrong indeed．
A.
as
B.
with
C.
for
D.
to
【单选题】After five hours' drive, they reached____they thought was the place they had been dreaming. [ ]
A.
that
B.
where
C.
which
D.
what
【简答题】如图,已知直线l:x+2y-3=0和圆 .求: (1)直线l被圆C截得的弦AB的弦心距d; (2)弦长|AB|。
相关题目：