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【判断题】
According to the author, European regulators are unlikely to go after every technology firm with a big market share. One of the reasons is that there are not so many large computer platforms like Windows.A.
正确
B.
错误
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【判断题】The bellboy needn't show the guests the basic facilities in the room and tell the guests how to use them.
A.
正确
B.
错误
【单选题】流感的免疫状况为
A.
病后可获得稳固免疫力
B.
接种疫苗后可获得稳固免疫力
C.
病后可获得对同型病毒的免疫力
D.
各亚型间有交叉免疫力
E.
接种疫苗后对同一亚型的变种无交叉免疫力
【简答题】The job of the hostess is to welcome and seat the guests when they arrive, and to arrange reservations at the restaurant. In many cases, the hostess also takes before-dinner-wine orders from the guest...
【单选题】What is the right time for the guests to leave?
A.
The guests can stay as long as they want to.
B.
The guests usually leave before midnight at a bigger party.
C.
The guests should stay longer to show their respect for the host.
D.
The guests should leave before midnight if the host must work the next day.
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