题目内容

在一个基因型为WωYy的杂合体中，W/ω与Y/y不连锁时产生的配子类型是什么？如果W/ω与Y/y是连锁的，在发生或不发

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[A] reach
[B] touch
[C] know
[D] show

连锁遗传的细胞学实质是：控制不同性状的基因同时被载于______染色体上，这些非等位基因的重组原因是因为性母

[A] can
[B] shall
[C] may
[D] must

第二节完形填空
阅读下面短文，从短文后各题所给的[A]、[B]、[C]和[D]四个选项中选出能填人相应空白处的最佳选项，并在答题卡l上将该项涂黑。
It is always a little sad to say goodbye to a long-time friend you are leaving forever ,a 36 you are spent many hours with, in all sorts of 37 . David didn't think I should be s0 38 about the separation. "It's 39 a car," he said. "And we need a 40 0ne. "
We were standing in the hot car park outside a car dealer's office, keys to the new 41 in David's hand, keys to the old one in mine. David took the keys and handed them to the 42 .As we drove away, I 43 to look at my trusty friend, standing silent and alone.
As it turned out, I 44 the new car. It ran beautifully, all the tires were good, 45 I happily stopped buying gas every week. Our teenage children were 46 to ride around in asmall green car 47 a smoky van (小型客货车). It began to feel like our family's car.
Still, I 48 looking in the rear-view mirror (后视镜) and seeing the seats 49 I used to put my little children. I still thought about the family 50 in that car and the fun we had to-gether. Then one day, I happened to go to a 51 . I parked in a sea of vehicles (车辆). As I 52 through the car park on my way into the store, I saw a 53 blue van coming slowly toward me.A little boy and a girl looked out the window at me as I stared at them in great 54 . The boysmiled at me cheerfully and waved. Then, as I waved back slowly with 55 feelings, and then walked quickly away toward the store's entrance, I burst into tears.
36.
[A] leader
[B] customer
[C] companion
[D]neighbour