1.选择题- (共4题)
1.（2015·浙江）If you swim in a river or lake, be sure to investigate is below the water surface. Often there are rocks or branched hidden in the water.
2.（2015·浙江）If you swim in a river or lake, be sure to investigate is below the water surface. Often there are rocks or branched hidden in the water.
3.（2015·浙江）If you swim in a river or lake, be sure to investigate is below the water surface. Often there are rocks or branched hidden in the water.
4.（2015·浙江）If you swim in a river or lake, be sure to investigate is below the water surface. Often there are rocks or branched hidden in the water.
2.填空题- (共2题)
＝3，则a＝ ．
试卷分析
-
【1】题量占比
选择题:(4道)
填空题:(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：2