The time that the CPU spends on a given program can be computed using all of the following
A.
B.
C.
D.
A.
B.
C.
D.
A、the degree of crystallinity of a polymer depends on the rate of cooling during solidification
B、the chains are more closely packed together for the crystalline structure.
C、the degree of crystallinity of a polymer depends on the chain configuration.
D、None the above
Read the following letter and choose the correct answer from the four choices. Dear Manager, Much to my regret, I write this letter to place a complaint against your bad delivery service of your company.The Samsung tape recorder model number JB/4703 that I ordered from your company on Nov. 1, arrived yesterday. The serial number of the machine is 4703 -0641. I am sorry to report that the recorder has been badly damaged. There was no unusual damage to the packing case, but when I opened it, I found that the lid of the recorder had been cracked(破裂)and that the front surface of the machine had been scratched(刮擦). Since there was such damage to the goods, I decided to file a complaint against the delivery service. Would you please let me know whether I should return the recorder to you for a replacement or if you have an authorized service representative here to which I should take it? I will hold on to this recorder until I hear from you. Sincerely yours Jonathan Edward The letter above is a letter of ______________________.
A、apology
B、invitation
C、complaint
D、thank-you
A、This is a difficult book.
B、It is difficult not to overpraise this book.
C、This book deserves much praise.
D、It is difficult to praise this book.
B.closed up
C.paste
D.wandered
E.threatens
F.civilize
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