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【单选题】
Section A Directions: This section is to test your ability to give proper answers to questions. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D. 听力原文：What is the weather like in Shenyang? (1)A.
I like the weather in Shenyang.
B.
Well, it is cold in winter and hot in summer.
C.
It is the nicest season of the year.
D.
It is going to snow tonight.
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【简答题】某产品 15件,其中有次品2件。现从中任取3件,则抽得次品数 X 的概率分布为
【单选题】某产品 15 件,其中有次品 2 件。现从中任取 3 件,那么恰好抽得 1 件次品的概率为( )
A.
2/15
B.
338/1125
C.
12/35
D.
4/35
【简答题】某产品15件,其中有次品2件。现从中任取3件,则抽得次品数X的分布律为 ____