单项选择题

When did VN-Index begin its declining trend
What is the main idea of the news item

A．Some of the office workers have breathlessness.
B．Few milk powder factory workers experience wheezing.
C．Mothers and babies benefit the most from respiratory tests.
D．There is a link between asthma and exposure to milk powder.
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单项选择题
Which of the following about the earthquake in Iran is INCORRECT
A．Humanitarian work is ongoing in the disaster area．
B．The earthquake caused serious casualties．
C．The survivors are trying to escape from the earthquake field．
D．Food and clothes were reached to the hit area by land transportation．
单项选择题
The military officer was formally charged, because ______.
A．he carried out the worst mass shooting in U.S. history
B．he carried out the mass shooting at the U.S. largest military base
C．he shot an army psychiatrist in a armed guard hospital
D．he shot an unborn child being carried by a pregnant woman
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