试题与答案

输入微生物、人体组织、生物制品、血液及其制品或种畜、禽及其精液、胚胎、受精卵的,应当

题型:判断题

题目:

输入微生物、人体组织、生物制品、血液及其制品或种畜、禽及其精液、胚胎、受精卵的,应当在入境前15天报检。( )

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

阅读理解

     Nathan Phillips, who will formally begin his freshman year at the University of San Diego(USD) on

Aug. 31, will arrive on campus in an unusual and philanthropic manner.

     Phillips is expected to arrive between 5 p. m. and 6 p. m. Thursday on his bicycle, having pedaled

1,450 miles from Astoria, Ore.

     Phillips combined his desire to complete a long bike ride before entering college with his interest in

helping the children of Uganda.

     He is raising funds for Invisible Children, a San Diegobased organization seeking to end conflicts

afflicting(使苦恼) northern Uganda, the Democratic Republic of Congo and the Central African Republic and stop the use of children as soldiers.

     Phillips had raised $1,540 before embarking Aug.11 and hopes to reach $2,000.

     Phillips, who is from Redmond, Washington, visited Uganda during high school and worked in an

orphanage(孤儿院) there. He was also inspired by a presentation by Invisible Children at his high school.

     "I have been to Uganda and personally gotten to know some of the kids affected by the war, " Phillips

said in a statement released by the university. "I would do anything to help these kids."

     Phillips' new roommate, Kyle Sharp, has joined him for the last 600 miles of the trip. Students and

other members of the USD community are expected to join him for the last 13 miles.

     "Nathan's passionate commitment(恪守承诺) to improving the lives of children more than 8,000 miles away resonates(共鸣) with USD's mission to prepare future leaders to change the world for the better,

" Pamela Gray Payton, assistant vice president of public affairs at USD, said in a prepared statement.

"We are delighted to have Nathan as a member of our campus community."

     Supporters from USD and Invisible Children will greet Phillips and his entourage(随从) when they

arrive in front of Founders Hall on campus. The public is invited as well.

1. Which of the following statements about Nathan Phillips is TRUE?

A. Nathan Phillips has been a freshman at the university.

B. Nathan Phillips is an American.

C. Nathan Phillips is an African.

D. Nathan Phillips likes riding a bike.

2. Why does Nathan Phillips finish riding a bike for a long way before going into college?

A. He travels to Uganda.

B. He practises riding a bike.

C. He raises money to help the children of Uganda.

D. He wants to take exercise.

3. How much money does Nathan Phillips expect to collect in total?

A. $1,540.  

B. $2,000.  

C. $3,540.  

D. $2,540.

4. How far does Nathan Phillips ride to college?

A. 8,000 miles.  

B. 600 miles.

C. 13 miles.  

D. 86,000 miles.

5. What can we learn from the last paragraph?

A. People like Nathan Phillips.

B. The public invite Nathan Phillips.

C. People support what Nathan Phillips does.

D. Supporters like Nathan Phillips.

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题型:填空题 案例分析题

下面①~⑤列举了五种育种方法,请回答相关问题:①甲品种×乙品种→F1→F1自交→F2→人工选择→自交→F3→人工选择→自交……→性状稳定遗传(新品种).②甲品种×乙品种→F1→F1花药离体培养→若干幼苗→秋水仙素处理芽尖→若干植株→人工选择→新品种.③正常的幼苗→秋水仙素处理→人工选择→新品种.④人造卫星搭载种子→返回地面种植→发生多种变异→人工选择→新品种.⑤获取甲种生物的某基因(目的基因)→通过某种运载体将该基因携带入乙种生物→新生物个体

第③种方法称为()育种,经其培育而成的新品种是()。

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