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【题目】
She’s too fat. She lose some weight but she too much.
A. would ; ate
B. will; eats
C. would; eats
D. will; ate
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【题目】--- I don’t think I can walk any further.
--- .Let’s stop here for a rest.
A. I don’t think it.
B. I think so.
C. Neither can I.
D. Neither I can.
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【题目】In our factory there are 2,000 workers, two thirds of ___________ are women.
A. them B. which C. whom D. who
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【题目】酵母菌的维生素、蛋白质含量高,可用于生产食品和药品等。科学家将大麦细胞中的LTP1基因植入啤酒酵母菌中,获得的啤酒酵母菌可产生LTP1蛋白,并酿出泡沫丰富的啤酒。基本的操作过程如下:
(1)该技术定向改变了酵母菌的性状,这在可遗传的变异的来源中属于____________。
(2)本操作中为了将LTP1基因导入酵母菌细胞内,所用的运载体是________。
(3)要使运载体与LTP1基因连接,首先应使用________进行切割。
(4)切割完成后,利用________将运载体与LTP1基因连接。
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【题目】_______, he owns the first prize.
A. To his much delight B. Much to his delight
C. To his much delightful D. Much to his delightful
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【题目】(2014·浙江) There’s no reason to be disappointed. , this could be rather amusing.
A. Above all B. As a result
C. In addition D. As a matter of fact
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【题目】如图表示利用番茄植株(HhRr)培育新品种的途径。下列说法错误的是( )
A.通过途径2、3获得幼苗的过程都应用了植物组织培养技术
B.要尽快获得能稳定遗传的优良品种应采用途径2,该过程中秋水仙素作用的时期是有丝分裂后期
C.品种B和品种C的基因型相同的概率为0
D.途径4所依据的生物学原理是基因突变,此途径与杂交育种相比,最突出的优点是能够产生新基因
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【题目】I’d appreciate it if you could me in finishing the experiment.
A. offer B. help C. guarantee D. assist
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