What will be used to power cars in the next few decades?
A、
Gas.
B、
Electricity.
C、
Solar energy.
D、
Alcohol.
【正确答案】
B
【答案解析】
单选题
What will future news reports focus on when talking about transportation?
A、
Road conditions.
B、
Highway traffic.
C、
Air traffic conditions.
D、
New traffic rules.
【正确答案】
C
【答案解析】
单选题
What will passengers be asked to do when they travel to the moon?
A、
Carry little luggage.
B、
Go through a health check.
C、
Arrive 10 minutes earlier for boarding.
D、
Undergo security check.
【正确答案】
A
【答案解析】
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