【单选题】Choose the summary that best expresses the main idea of Paragraph 3.
A.
The risk factor in a portfolio can be reduced by including assets whose risks are complementary, i. e. , if one loses value because of particular circumstances the other gains because of those circumstances.
B.
One should try to eliminate all risks from one's portfolio by only buying very safe shares.
C.
Under no circumstances should a careful investor add high risk assets to his/her portfolio even though the income or capital gain that may be received from that high risk asset could be very large.
【简答题】Complete the summary of the text The Surprising Purpose of Travel Travel is 1 and sometimes even unpleasant; then what is the driving force behind our travel? We travel because we need to. Sometimes o...
【简答题】Summary of Text A, Unit 4 Fill in the blanks with the words given below. Travel is 1_________ and sometimes even unpleasant; then what is the driving force behind our travel? We travel because we need...