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【简答题】
随机误差的合成一般采用（ ）法。（三个字）
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反馈参考答案：
举一反三
【单选题】( )是指原来不可以通过货机运输的货物,得到相关国的批准下可以按照其书面批准可以使用货机运输。
A.
特殊规定A3
B.
特殊规定A1
C.
特殊规定A109
D.
特殊规定A2
【简答题】Fill in each blank with a word/expression we learn in Unit 1. Example: ______ v. (cause to) become wet thoroughly by being in a liquid (answer: soak) 1________ n. a situation in which things are badly...
【简答题】Unit 2 Long Conversation 4. What is the man doing in the talk?
【单选题】有关铁的描述，正确的是
A.
食物中的铁以二价铁为主
B.
肠黏膜吸收的铁为二价铁
C.
转铁蛋白结合的铁为二价铁
D.
体内铁蛋白中结合的铁为二价铁
E.
血红蛋白中的铁为三价铁
【简答题】有关铁的描述，正确的是
【单选题】Unit 4- Long conversation What is the warning from the police?
A.
To be on the alert when being followed.
B.
Not to leave senior citizens alone at home.
C.
Not to let anyone in without an appointment.
D.
To watch out for those from the electricity board.
【简答题】RAT AND PIGEON
【单选题】Who was the 'pigeon' in the game 'pigeon drop'?
A.
Dan.
B.
The author.
C.
A stranger.
D.
The one losing a wallet.
【简答题】Unit 4 Long Conversation
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