题目

下列性状中属于相对性状的是 （ ）A. 人的身高与体重 B. 兔的长毛与短毛C. 猫的白毛与蓝眼 D. 棉花的细绒与长绒 答案：【答案】B【解析】相对性状是指同种生物相同性状的不同表现类型。判断生物的性状是否属于相对性状需要扣住概念中的关键词“同种生物”和“同一性状”答题。人的身高与体重不符合“同一性状”一词，不属于相对性状，A错误；兔的长毛和短毛符合相对性状的概念，属于相对性状，B正确；猫的白第三部分阅读理解（共20小题。每小题2分，满分40分）　　阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。AEvents took place around the world last week to celebrate International Women’s Day.The March eighth observance came as thousands of delegates from one hundred thirty countries met at the United Nations in New York. They discussed progress on a plan of action for women's equality. The document was approved ten years ago at a conference in Beijing.It calls for improved health care for women, along with economic and political gains. It also calls for efforts to reduce human rights violations against women.In Asia last Tuesday, there were demonstrations against unfair treatment of women.In Washington, Secretary of State Condoleezza Rice held a Conference of Women Leaders. Laura Bush, the president's wife, spoke at the event which had representatives from fifteen Muslim nations. The first lady praised recent political gains for Muslim women.In Afghanistan, for example, President Hamid Karzai has appointed the first female governor of a province. In Iraq, women hold almost one-third of the 249 seats in the newly elected National Assembly. And Missus Bush noted that nearly half the voters in the Palestinian presidential election were women.International Women’s Day began in nineteen ten in Copenhagen, Denmark. It was designed to build support for voting rights for women worldwide. Missus Bush noted that it took American women many years to be recognized as full citizens with the right to vote.Last week, just before International Women Day's, hundreds of women and men demonstrated in Kuwait to demand the right for women to vote. The government urged parliament to act quickly to debate such reforms.Also last Monday, Human Rights Watch released a report on sexual violence by soldiers and members of armed groups in eastern Congo. The New York-based group says tens of thousands of women and young girls have been raped and beaten. Yet it says almost all the crimes have gone without punishment.51．According to the text, which of the following statements is true?A. The document on women’s equality has not been approved yet.B. Muslim women’s rights have been improved.C. Palestinian women are totally equal now.D. Kuwait women urged government to reform.52. About how many women have been elected into National Assembly?A. 166      B. 83        C. 249        D. 12453. You can most probably read the text in ________.A. a textbook    B. a magazine    C. a newspaper    D. a biology book54. What’s the best title of the text?A. International Women’s DayB. Women’s equal rightsC. How to ensure women’s equal rightsD. How do people celebrate International Women’s Day