A、
The hot conditions.
B、
The cold conditions.
C、
The wet conditions.
D、
The dry conditions.
【正确答案】
D
【答案解析】
A、
Pollution will be more serious in popular beaches.
B、
Water quality may reach the lowest level.
C、
People may become infected with diseases.
D、
A warning system will be extremely urgent.
【正确答案】
C
【答案解析】
A、
Less than 18 hours.
B、
18 to 24 hours.
C、
More than 24 hours.
D、
More than 48 hours.
【正确答案】
B
【答案解析】
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