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【单选题】
下列各项中,属于系统风险的是A.
原材料能否获得
B.
外国竞争的影响
C.
通货膨胀率的变动
D.
罢工
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反馈参考答案：
举一反三
【单选题】Why does the traveler want to take a bus?
A.
The bus tickets are cheaper than the train tickets.
B.
The bus trip is comfortable because it is air-conditioned.
C.
Bus stops at several cities along the way.
D.
The traveler wants to experience another way of traveling.
【简答题】Why does Miss Smith arrange the visit to MIT and Harvard in a single day?
【单选题】Why does Diana take a bus that day?
A.
She is environmentally-concerned.
B.
She wants to save money.
C.
Her car is being repaired in the shop.
D.
She wants to see the man on the bus.
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