1.单选题- (共9题)
2.
有四种变换:
①向左平移
个单位长度,再各点的横坐标缩短为原来的
②向左平移
个单位长度,再各点的横坐标缩短为原来的
③各点横坐标缩短为原来的
,再向左平移
个单位长度
④各点横坐标缩短为原来的
,再向左平移
个单位长度
其中能使
的图象变为
的图象的是( )
①向左平移


②向左平移


③各点横坐标缩短为原来的


④各点横坐标缩短为原来的


其中能使


A.①③ | B.②③ | C.①④ | D.②④ |
9.
台风中心从A地以每小时20km的速度向东北方向移动,离台风中心30km内的地区为危险地区,若城市B在A地正东40km处,则B城市处于危险区内的时间为( )
A.0.5h | B.1h | C.1.5h | D.2h |
2.选择题- (共4题)
11.
A good friend of mine from when I was born _______ at my home right before I left for Beijing.
A good friend of mine from when I was born _______ at my home right before I left for Beijing.
12.
A good friend of mine from when I was born _______ at my home right before I left for Beijing.
A good friend of mine from when I was born _______ at my home right before I left for Beijing.
13.The most important thing about ancient civilizations is ____ part that they played in ____ history.
3.填空题- (共3题)
4.解答题- (共2题)
试卷分析
-
【1】题量占比
单选题:(9道)
选择题:(4道)
填空题:(3道)
解答题:(2道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:14