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【单选题】
有关维生素的特点说法不正确的是()。A.
能提供能量
B.
不参与人体组织的构成
C.
不能在人体内储存
D.
一般不能在人体合成（维生素D例外），或合成量太少，必须由食物提供
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【简答题】News report 2 Read the choices. Then listen to the news report and choose the best answer to each question you hear.
【简答题】News report 2 Read the questions. Listen to the news report and choose the best answer to each question.
【单选题】The Golden Rule level of capital accumulation is the steady state with the highest level of:
A.
output per worker.
B.
capital per worker.
C.
savings per worker.
D.
consumption per worker.
【简答题】News report 2 Read the questions. Listen to the news report and choose the best answer to each question.
【简答题】News report 2. Read the questions. Then listen to the news report and choose the best answer to each question.
【简答题】News report 2 Read the questions. Then listen to the news report again and choose the best answer to each question.
【简答题】If three bonds are otherwise identical, the one exhibiting the highest level of positive convexity ismost likely the one that is: A. option-free B. callable C. putable
【单选题】Which of the following policy-holder is of the highest level of risk to have an accident?
A.
A single middle-aged lady who is driving alone to West coast for her summer vacation
B.
A unmarried young man who drives an economy car to work on weekday
C.
A single old man who drives a new luxury car to the rural area every weekend
D.
A married middle-aged lady who is travelling by train
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