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【简答题】
Listen and choose. 听录音，选择正确的答语。 ( ) 1. A. I want to buy a dress. ( ) 2. A. No, I don't. ( ) 3. A. Yes. ( ) 4. A. To the toy department. ( ) 5. A. It's a camel. B. Let's go shopping. B. No, I can't. B. It's a bicycle. B. Here they are. B. They are monkeys.
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皮皮学刷刷变学霸
举一反三
【简答题】A．He was greatly disappointed. B．He was pleased to get there finally. C．He was pleased with his knowledge of Spanish. D．He was at a loss about what to do.
【单选题】选择离子源种类时,挥发性样品;相对分子质量大、难挥发或热稳定性差的样品,仪器中既作为接口装置,同时又是电离装置的离子源一般分别选用
A.
电子轰击电离源；快原子轰击电离源；电喷雾电离源
B.
电喷雾电离源；电子轰击电离源；快原子轰击电离源
C.
电子轰击电离源；电喷雾电离源；快原子轰击电离源
D.
快原子轰击电离源；电子轰击电离源；电喷雾电离源
【简答题】分子同源性的分类?
【简答题】(1)图1是人类性染色体的差别部分和同源部分的模式图。有一种遗传病，仅由父亲传给儿子不传给女儿，该致病基因位于图中的______________部分。 (2)图2是某家族系谱图，据此回答下列相关问题。 ①．甲病属于________遗传病。 ②．从理论上讲，Ⅱ-2和Ⅱ-3的女儿都患乙病，儿子患乙病的几率是1/2。由此可见，乙病属于_____遗传病。 ③．若Ⅱ-2和Ⅱ-3再生一个孩子，这个孩子同时患两...
【判断题】拉动策略就是企业针对最终消费者开展广告攻势,把产品信息介绍给目标市场的消费者,使人产生强烈的购买欲望,形成一切的市场需求,然后”拉引“中间商要求经销这种产品 。
A.
正确
B.
错误
【单选题】It is greatly _____ that he gave back the money he found to the owner. [ ]
A.
to his satisfaction
B.
to his delight
C.
to his credit
D.
to his surprise
【单选题】It is greatly ________ that he gave back the money he found on the bus.
A.
for his delight
B.
to his delight
C.
to his credit
D.
in his credit
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