原发性甲旁亢时骨骼X线摄片结果应排除以下哪一项表现（） A.骨膜下皮质吸收 B.骨硬

阅读下文并回答问题。

Dave is my friend. His family is rich. His parents always give him lots of pocket money. But Dave thinks his parents work very hard and it's not easy for them, so he always tries his best to save money. He has some good ways to do it.

Dave likes reading. He has lots of books. He tells me he often buys books online, because they're cheaper. And when he has free time, he often goes to bookstores or libraries to do some reading.

Dave has a bike. He usually goes to school by bike instead of taking a bus. Sometimes when it rains or snows, he walks. These two ways help Dave keep healthy and save some money.

Dave brings a bottle of water to school every day. When other students drink juice, he enjoys his water. He thinks water is the cheapest but the best drink.

Some students think Dave is mean. But I don't think so. I think he is right. What do you think of him?

小题1:Does Dave try his best to save money?

小题2:How does Dave usually go to school?

小题3:What does Dave bring to school every day?

结合所学知识，根据下图信息写出一份关于我国利用外资状况的分析报告，其主要观点可以是(    )

①东部是我国利用外资的主要地区，“走出去”战略见到实效

②粤苏沪三地吸引外资更有竞争力，受经济全球化的影响更大

③中西部地区利用外资的比例较低，建议创新利用外资的方式

④东中西部地区利用外资的结构不合理，说明市场秩序有待规范

A．①②

B．②③

C．③④

D．①④

客户进行市场细分变更后，新的市场细分的生效时间为（）

A.立即生效

B.24小时后生效

C.次日生效

D.登录网银激活后生效

代理发行、代购代销有价证券是（）的主要业务。

A.证券公司

B.证券交易所

C.商人银行

D.投资银行

某单位需要派出下乡扶贫人员1至2人。经过宣传号召，众人纷纷报名，经过一番考虑，领导最后将扶贫人选集中在小王和小张两人身上，大家对最终的挑选结果作了如下猜测：(1)小王会被选上；(2)如果小王被挑选上，那么小张就不会被选上；(3)只有小王被选上，小张才会被挑选上；(4)小王和小张都会被挑选上。
事后得知，这四句话猜测中只有一句是真话。据此，可以推断______。

A．两人都会被挑选上
B．两人都不会被挑选上
C．小王会被选上，而小张不会
D．小张会被挑选上，而小王不会