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【单选题】
哺乳动物和爬行动物的牙齿最主要区别是( )A.
着生位置不同
B.
结构不同
C.
齿大小不同
D.
功能出现分化
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反馈参考答案：
举一反三
【简答题】Replace the underlined part with a proper compound.The supervisor is a man who deserves everyone's trust.The supervisor is a __________________ man.
【单选题】According to the passage，your supervisor is most likely your______．
A.
visitor
B.
teacher
C.
workmate
D.
1eader
【简答题】果树正常生长结果最适土壤含水量为( )的60-80%。
【单选题】What type of cost is supervisor salary costs, where one supervisor is needed for every ten employees added to the staff?
A.
A fixed cost
B.
A variable cost
C.
A mixed cost
D.
A step cost
【单选题】What type of cost is supervisor salary costs, where one supervisor is needed for every fifteen employees added to the staff?
A.
A fixed cost
B.
A variable cost
C.
A step cost
D.
A mixed cost
【单选题】What type of cost is supervisor salary costs, where one supervisor is needed for every ten employees added to the staff?
A.
A step cost
B.
A variable cost
C.
A mixed cost
D.
A fixed cost
【单选题】what type of cost is supervisor salary costs ,where one supervisor is needed for every ten employees added to the staff?
A.
A fixed cost
B.
A variable cost
C.
A mixed cost
D.
A step cost
【单选题】What type of cost is supervisor salary costs, where one supervisor is needed for every ten employees added to the staff?
A.
A fixed cost
B.
A variable cost
C.
A semi-variable cost
D.
A stepped fixed cost
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