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【单选题】
实验表明EBT应用滴定中的最适宜的酸度是().A.
pH<6.3
B.
pH=9~10.5
C.
PH>11
D.
pH=7~11
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举一反三
【多选题】What are the steps of writing an apology letter?
A.
Give your apology at the beginning of the letter.
B.
State the problem and give explanation for what happened.
C.
Arrange for a future action to make up.
D.
Apologize again or give thanks for understanding.
【单选题】In your letter of apology, you should express your _____.
A.
cordial feeling of apology
B.
false feeling of apology
C.
cordial feeling of thanks
D.
true feelings of punishment
【多选题】Choose the items often included in a letter of apology
A.
explanation of the reason
B.
contact information
C.
details of the product
D.
good wish for the customer
E.
apology to the customer
F.
solutions for the problems
【简答题】Part A Write a letter of Apology (100 words).
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