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【单选题】
通信车占用时,轨道区间线条为 ()A.
红色
B.
白色
C.
粉色
D.
蓝色
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举一反三
【单选题】Which of the following are necessary if forecasts obtained from a time series analysis are to be reliable? (i) There must be no unforeseen events (ii) The model used must fit the past data (iii) The t...
A.
(i) only
B.
(i) and (ii) only
C.
(i), (ii) and (iii) only
D.
(i), (ii), (iii) and (iv)
【单选题】I am so hungry. Please give me two ________ bread and some ________.
A.
pieces of; orange juice.
B.
piece of; oranges juice
C.
pieces; milk
D.
piece of; milks
【简答题】有关咽的描述正确的是( )
【简答题】英译汉：They thought that there must be something wrong with their TV set.
【单选题】( ) 3 1 . —Would you like something to drink? —Yes. Please give me some _______.
A.
rice
B.
milk
C.
oranges
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