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【单选题】
Questions three and four are based on the news report you have just heard. What did the rescue team do?A.
They tried hard to repair the elevator.
B.
They released the details of the accident.
C.
They sent supplies to keep the miners warm.
D.
They provided the miners with food and water
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举一反三
【简答题】23#CO变换的反应方程式：（）。
【单选题】CO 变换反应说法正确的是( )
A.
从动力学角度看低温有利
B.
催化剂是 Fe 3 O 4 、 Cu 或 MoS 2 /Co 9 S 8
C.
可逆吸热反应，存在最佳反应温度
D.
从平衡角度看加压不利，但工业上一般用加压
【单选题】广东肇庆七星岩由石灰岩山地组成 ,它们散落在一片湖光碧水中,宛如天上的北斗七星。下图为“其发育过程示意图”。读图,回答910题。 9. 与七星岩景区岩石形成有关的主要是
A.
变质作用
B.
溶蚀作用
C.
外力作用
D.
岩浆活动
【简答题】写出下列变化的化学方程式，并注明反应类型（CO与Fe 3 O 4 的反应除外）。 C →CO 2 →CO FeSO 4 Fe FeCl 2 Fe →Fe 3 O 4
【单选题】The writer is sorry to have noticed that ______.
A.
people in large cities tend to excuse criminals
B.
people in small towns still stick to old discipline and standards
C.
today's society lacks sympathy for people in difficulty
D.
people in disadvantaged circumstances are engaged in criminal activities
【单选题】Thousands of people were gathering in the square.( )!
A.
What large crowd
B.
What a large crowd
C.
How large crowd
D.
How a large crowd
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