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【单选题】
题干同上题,即 ( 1 )任何在高速公路上运行的交通工具的时速必须超过 60 公里。( 2 )自行车的最高时速是 20 公里。( 3 )我的汽车只有逢双日才被允许在高速公路上驾驶。( 4 )今天是 5 月 18 日。 问 2 :假设只有高速公路最低时速限定,则加上以下哪项条件可合理地得出结论:“如果我的汽车正在行驶的话,时速不必超过 60 公里”?A.
（ 2 ）改为“自行车的最高时速可达 60 公里”。
B.
（ 1 ）改为“任何在高速公路上运行的交通工具的时速必须超过 70 公里”。
C.
（ 3 ）改为“我的汽车在高速公路上驾驶不受单双日限制”。
D.
（ 4 ）改为“今天是 5 月 20 日”。
E.
（ 4 ）改为“今天是 5 月 19 日”。
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【单选题】One day Jack's wife was cleaning the house. 'Look at all these umbrellas (雨伞) ,' Jack's wife said to him. 'There are eight and they are broken.' 'I'll take them all to the umbrella shop. Maybe the wor...
A.
She was doing some washing.
B.
She was doing some cleaning.
C.
She was doing some shopping.
【单选题】Look! Emma is_______ her bedroom. Her room is always_________.
A.
clean, clean
B.
clean, cleaning
C.
cleaning, clean
D.
cleaning, cleaning
【单选题】Peter said,“jack,clean the room at once.” Peter ______the room at once.
A.
Asked jack to clean
B.
Asks jack to clean
C.
Asked jack clean
D.
Asks jack clean
【单选题】Look! The students ______ the classroom. [ ]
A.
clean
B.
are cleaning
C.
are clean
D.
cleaning
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