多项选择题 下列选项中关于债券融资的表述中正确的有（）

单项选择题 D Sitting on the peaceful coast of the Calapagon Islands. Ecuador , watching the sun move quietly into the sea, you shouldn’t forget the Charles Darwin (1809 – 1882) arrived here in 1835. He famous work. On the Origin of Species. You can certainly follow Darwin’s footsteps and enjoy a trip from four to seven days to the islands. The islands are centainly a paradise (天堂) for wildlife, as there are no natural killers on the islands and the number of beais and visitors is under govenment control.Though you cannot walk freely as Darwin die hour 200 years ago ,esch day is as impressive as it could be. The most well crown animal of the Calapagos is the giant tortoisc ( 巨型陆龟),which can be seen moving slowly around the highlands of Sanra Cruz,the second largest island in the suchipelago.Some of these creatures are so old that they might have been seen in their youth by Darwin himself. Despite strict control over activities and timing,you stay on the Galapagos will be remembered as a chain of incomparable pictures;diving with sea how that wim and play within inches of you; feeling small shaks touch you feet as you swim and ,most magically , seeing a with and her bady surface with great breath of air. Travleing between the islands and observing the wildlife that so inspired Darwin , you will fell as though you are getting a special view of an untouched world .At night you will sleep on board the ship , leaving the wildlife in complete occupation of the islands, which are as undisturbed now ai they have been since the beginning of time.第68题：What do we know about Darwin’svisit to the istands.A.studkd afleient cnt cpeatures on the islands.B.He completed his famous book on the istands.C.He was touched by the geographs of the istands.D.He was attracted by well known animals of the islands.

多项选择题 当实地调查完成后，搜集的所有访问表格必须加以（），方能使调查资料变成可供分析、预测的信息。