题目

下列有关生物学中几个“率”的叙述错误的是 A．出生率和死亡率对种群的数量和种群密度起决定作用 B．适当降低温度可以降低绿色植物的细胞呼吸速率 C．研究能量流动的意义，目的要提高各营养级间的能量传递效率 D．种群数量变化的“J”型曲线中，种群增长率保持稳定 答案：C 解析: 略Bruce Horowitz writes in USA Today that Domino’s Pizza is changing its pizza recipe . It will be a completely new pizza with a different crust, cheese , and sauce.Some observers say that the company is taking a big risk with such a total reform of its main product. However, in a 2009 consumer survey , Domino’s tied for last place for taste . Domino’s was voted the best for convenience and price.This change is not something that Domino’s took lightly. They spent two years testing many different recipes before settling on the new Domino’s Pizza..The company will have an advertising campaign to launch the change that will have spread to all its restaurants by December 27,2009. After that, look for the company to put out new ads proudly telling the public about the change. The author says that Super Bowl Sunday is the biggest day for pizza sales and that Domino’s “may buy an ad the bit game” Everyone has his or her own preferences when it comes to food. It will be interesting to see how well the new Domino’s Pizza is received by those who consider pizza to be an important part of their diets.64．What is the main idea of this article? A．Changing a recipe is fun B．Domino’s Pizza did poorly in taste comparisons C．Many people eat pizza on Super Bowl Sunday D．Domino’s making a major change to its pizza65．Which statement is true? A．Domino’s was rated best for its price B．No one likes the taste of the original Domino’s pizza C．This reading selection tells us which pizza had the highest taste tanking D．The new recipe will change a little66．The new Domino’s Pizza will       . A．certainly make Domino’s the most popular pizza in the world B．have been available by the year 2010 in all its restaurants C．cost twice as much as the old one D．only be found in a few Domino’s 67．What can we learn from paragraph 4? A．“The company ” in sentence 1 and “the company ” in sentence 2 refer to the same company. B．Domino’s will put out a lot of advertisements to promote its new pizza. C．Super Bowl Sunday is a special day only for Domino’s D．The writer of the passage likes Domino’s new pizza recipe.