1.选择题- (共3题)
1.
今年,“PM2.5”一词备受关注。PM2.5是指大气中直径≤2.5微米的颗粒物,由于它粒径更小,所以对人体健康的影响更大。一般而言,PM2.5主要来自化石燃料的燃烧、有机物的挥发等,下列途径中产生PM2.5相对较少的是( )
2.
今年,“PM2.5”一词备受关注。PM2.5是指大气中直径≤2.5微米的颗粒物,由于它粒径更小,所以对人体健康的影响更大。一般而言,PM2.5主要来自化石燃料的燃烧、有机物的挥发等,下列途径中产生PM2.5相对较少的是( )
3._______Chinese which city is famous for ice and snow, and the answer is sure to be Harbin.
2.单项选择- (共4题)
4.
– Are you cleaning my room?
– I can’t help _____. I can’t bear seeing people’s room in a mess!
– I can’t help _____. I can’t bear seeing people’s room in a mess!
A.it | B.this |
C.anything | D.so |
5.
Social networking is an important factor _______ business success.
A.devoting to | B.appealing to |
C.attaching to | D.leading to |
6.
________ that I was puzzled.
A.So difficult a question did he ask me |
B.Such difficult a question did he ask me |
C.Such a difficult question he asked me |
D.He asked me a so difficult question |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(4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:4
7星难题:0
8星难题:0
9星难题:0