【单选题】下列各项中,表达错误的是
A.
成本与费用是一组既有紧密联系又有一定区别的概念
【单选题】New Zealand has a population of about 6 million people, the majority of whom live in ______ area.
D.
the small islands surrounding the country
【单选题】听力原文:W: I hear you like apple best. M: Next to banana. Q: What does the man like best? (2)
【单选题】听力原文:M: Hello. This is Mark Smith. W: What can I do for you? M: I'm calling to see if my blood test results are in. W: Dr. Miller just sent them to the lab last night, so the earliest they could be ba...
A.
The results might be ready tomorrow.
B.
The man needs another test tomorrow.
C.
The results were called in last night.
D.
The doctor called the lab last night.
【判断题】网络计划只能表达各项工作的先后次序和先后关系。()
【单选题】The best title for the passage may be______.
A.
Dieting Is No Way to Lose Weight
B.
The Best Method of Losing Your Weight
C.
Causes of Gaining Weight
D.
Recent Researches on Overweight
【多选题】根据我国《企业会计准则---基本准则》规定,企业财务会计报告的目标体现了( )。
【单选题】下列各项中,表达正确的是()
A.
n个碱基组成的DNA分子片段,其种类最多可达4n
B.
某DNA分子含胸腺嘧啶a个,该DNA分子复制n次,需要游离的腺嘌呤a×2n-1
C.
以杂合子(DD.为亲本,让其连续自交n代,从理论上推算,第n代杂合子出现的概率为1/2n
D.
连续培养噬菌体n代,则含母链的脱氧核苷酸链应占子代DNA的脱氧核苷酸链总数的1/2n-1