1.选择题- (共2题)
1.25℃、101 kPa下,碳、氢气、甲烷和葡萄糖的燃烧热依次是393.5 kJ•mol-1、285.8 kJ•mol-1、890.3 kJ•mol-1、2 800 kJ•mol-1,则下列热化学方程式正确的是( )
2.单项选择- (共5题)
3.
Now we can pick up ____ weather information from a new type of ____ weather satellite.
A.the, / | B.the, the | C./, / | D./, a |
4.
More than 10,000 relics, ____ between 5,000 to 3,000 BC, ____ at Sanxingdui since it was first discovered.
A.dating back to, was dug up | B.dating back to, have been dug up |
C.dated back to, has been dug up | D.dated back to, were dug up |
6.
— You were out when I dropped in at your house.
— Oh, I _______ for a friend from England at the airport.
— Oh, I _______ for a friend from England at the airport.
A.was waiting | B.had waited | C.am waiting | D.have waited |
试卷分析
-
【1】题量占比
选择题:(2道)
单项选择:(5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:1
7星难题:0
8星难题:4
9星难题:0