此题为判断题(对,错)。
B.When we read online,we passively accept the information the Internet provides.
C.Online reading can teach us how to decode information.
D.When we read online,we absorb information like a decoder.
An antivirus program(1)a virus by searching code recognized as that of one of the thousands of viruses known to afflict computer systems. An antivirus program also can be used to create a checksum for(2)files on your disk, save the checksums in a special file, and then use the statistic to(3)whether the files are modified by some new virus. Terminate and stay resident (TSR) programs can check for unusual(4)to access vital disk areas and system files, and check files you copy into memory to be sure they are not(5).
A、a
B、The code runs successfully without any output.
C、The code enters an infinite loop.
D、The code compiles but throws an exception at runtime.
B.A >B = 0, A
C.A >B = 0, A< B = 1, A = B = 0
D.A >B = 0, A< B = 1, A = B = 1
B.每种 tRNA 往往能转运多种氨基酸
C.分子上具有与 mRNA 上密码子对应的反密码子
D.空间结构呈三叶草形
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