0  340277  340285  340291  340295  340301  340303  340307  340313  340315  340321  340327  340331  340333  340337  340343  340345  340351  340355  340357  340361  340363  340367  340369  340371  340372  340373  340375  340376  340377  340379  340381  340385  340387  340391  340393  340397  340403  340405  340411  340415  340417  340421  340427  340433  340435  340441  340445  340447  340453  340457  340463  340471  447090 

26.--- What do you think of their marriage?

   --- _________, if I were Kate, I would not marry him.

  A.Generally speaking       B.Believe it or not

  C.To my surprise         D.To be honest

试题详情

25.He could not__________the fact that the money was found in his house.

  A.answer for   B.account for   C.leave for     D.care for

试题详情

24.These workers preferred to work extra hours at night_________leave the work until the next week.

  A.other than   B.more than   C.instead of    D.rather than

试题详情

23.---I don’t think_________was reported in yesterday’s newspaper is true.

   ---Neither do I.

  A.that      B.what      C.it        D.which

试题详情

22.We have a growing population and________we need more food.

  A.even      B.besides    C.yet       D.therefore

试题详情

第一节、单项填空(共15小题;每小题1分,满分15分)

从A、B、C、D 四个选项中,选出可填入空白处的最佳选项。

21.The international agreement, intended ________children not to smoke and help people kick the habit, was signed on February 27.

  A.to encourage  B.encouraging  C.for encouraging D.encourage

试题详情

64.(9分)下图表示利用某种农作物①和②两个品种分别培育出⑤、⑥两个品种的过程, I和II表示育种过程,两对基因独立遗传,分析图解并回答下列有关问题:

 

(1)用①和②培育⑤所采用的方法I和II分别称为___________和_________, 该过

程所依据的原理是_________________通过该育种方法所获得的AAbb占子代

总数的比例为       

(2) 用③经④培育成⑤的方法称为____________ , 其优点是___________________

通过该育种方法所获得的AAbb占子代总数的比例为      

(3) 用③培育成⑥常用的措施是_________________________________

长春市十一高中2009-2010学年度高一下学期期末考试

试题详情

63.(12分)下图为白化病和色盲两种遗传病的系谱图,设白化病致病基因为a,色盲的致病基因为b请回答:

(1)写出下列个体的可能的基因型Ⅲ8                 

 Ⅲ10                

(2)若Ⅲ8和Ⅲ10结婚,生育子女中只患白化病或色盲一种遗传病的概率是   

同时患两种遗传病的概率是         

(3)若Ⅲ9和Ⅲ7结婚,子女中可能患的病是         ,发病的概率是                   。

 

     Ⅰ

     Ⅱ

     Ⅲ

试题详情


同步练习册答案