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【单选题】
UML中有4种交互图，其中强调控制流时间顺序的是（）。A.
顺序图
B.
协作图
C.
定时图
D.
交互概述图
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举一反三
【简答题】Directions: For this part, you are allowed 30 minutes to write an inquiry letter to a friend. You should write at least 150 words following the outline given below. 假设你有一位居住在美国纽约的好友(David Johnson)。你写信...
【简答题】Feeling left out? A reader wrote in to say that she was feeling lonely at break because her best friend wasn’t around．Here’s our advice to her—and to all kids who feel lonely sometimes． It’s hard when...
【单选题】Ear-hole Frie Cake got its name from _______.
A.
the shop where they were sold
B.
ts founder
C.
the location of the shop
D.
the ingredients
【单选题】In the West, people make______a rule to send Christmas present to their relatives and friends.
A.
this
B.
that
C.
it
D.
the following
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