1.单选题- (共8题)
2.选择题- (共14题)
15.
“ ______ as often as you can,” our English teacher often tells us, “ you will make rapid progress.”
“ ______ as often as you can,” our English teacher often tells us, “ you will make rapid progress.”
16.
. For miles around us there was nothing but a desert, without a single plant or tree ______.
. For miles around us there was nothing but a desert, without a single plant or tree ______.
17.用石灰水保存鲜蛋是一种化学保鲜法。石灰水能保存鲜蛋的原理是( )
①石灰具有碱性,杀菌能力强;
②
能与鲜蛋呼出的
反应,生成碳酸钙薄膜,起保护作用;
③石灰水是电解质溶液,能使蛋白质凝聚;
④石灰水能渗入蛋内中和酸性物质。
①石灰具有碱性,杀菌能力强;
②


③石灰水是电解质溶液,能使蛋白质凝聚;
④石灰水能渗入蛋内中和酸性物质。
3.填空题- (共4题)
4.解答题- (共2题)
试卷分析
-
【1】题量占比
单选题:(8道)
选择题:(14道)
填空题:(4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