玛瑙的价值评估主要依据为（）。A、颜色 B、质量 C、产地 D、单体重量越重越好

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Lower Risk with the Potential for High Returns—NOW
You Can Have the Best of Both Worlds
in Investment Portfolio Fund!
To reduce the risk of exposing your money to the ups and downs of direct investment into shares，your money will be spread across a wide range of investments from all over the world with the aim of achieving steady long term growth．This has always been the aim of our long established and highly successful Investment Portfolio Fund，made up of a balanced selection of different investments as explained by the chart below．
 
To manage these investments，we rely on no less than five leading fund managers with proven expert skill as specialist in their chosen investment fields. With their different approaches to investment, these five fund managers have been specially selected by Marks and Spencer Financial Services as we believe they will exchange their opinion with each other perfectly in meeting our overall aim for the fund of consistent growth. This balanced management approach, not only gives the potential to achieve better results than market averages in individual industry but also allows quick reactions to protect your interests in the event of market downturns.  
So who are the fund managers selected to look after your Investment Portfolio Investment and what exactly will they be doing on your behalf?
BARCLAYS GLOBAL INVESTORS LTD
BGI have been chosen to track the FTSE A1l Share Index (指数)．For this，they have put together a portfolio of shares which closely resembles the UK equity market as a whole．
BAILLE GIFFORD
EBG will be looking for companies that can offer excellent growth chances．
GMO WOOLLEY LTD
Their expert skill is in finding companies which they believe are valued at less than they are worth．In this，they have developed advanced research methods to identify under-valued companies．
CLAY FlNLAY
By looking at global political and economic trends as well as individual companies，Clay Finlay can identify international market opportunities and especially select companies with strong growth chances．
ROTHSCHILD ASSET MANAGEMENT
Rothschild aims to add stability and income to the Fund by investing in government bonds(公债)and other fixed interest securities．
And with Marks&Spencer Financial Services, you'll also have the reassurance that your interests will be looked after by a name you know you can really trust for quality，honesty and value every step of the way．
It all adds up to a tremendous opportunity for savers looking for a lower risk way to make more of their money with the extra boost to their profit potential of saving tax free through an ISA，so what are you waiting for?
1．The text is most likely to be found in   ．
A．a scientific research report         B．a travel magazine
C．a weekly newspaper                  D．a geography textbook
2．Who will be most interested in reading the advertisement?
A．Accountants．                        B．Students．
C．Investors．                                 D．Professors．
3．What is the function of Investment Portfolio Fund?
A．Exposing your money to the ups and downs of the direct investment into shares．
B．Helping lower risk with the potential for higher returns．
C．Hiring no less than five leading fund managers．
D．Giving a detailed description of balanced management requirement．
4．Which of the following statements is NOT true according to the text?
A．The five fund managers with different approaches to investment can cooperate with each other perfectly．
B．Marks&Spencer Financial Services reassure the investors that their interests will be well    1ooked after．
C．Clay Finlay can identify international market opportunities and especially select companies    with strong growth chances．
D．Gmo Woolley will be looking for companies that can offer excellent growth chances.