正确答案: A

Right

题目：The first attempt made by European people to settle downpermanently in North America occurred in the 1580s.

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[单选题]请在第__64__处填上正确答案。

根据材料，完成下面的题目。UFOS       Sixty years ago, a. man named Kenneth Arnold saw something that we can still (51) today -- something that changed popular culture for ever.Flying his plane over mountains in the U. S. state of Washington, he saw a,line of strange objects, either crescent-shaped (月牙形的) or disc-like, flying (52) the motion of a saucer (碟) skimming (飞速掠过) on water.       The media soon picked up on the story -- the Flying Saucers were here] Was the earth being (53) by creatures from another planet? Soon, So many sightings were made that the U. S. military began to (54) It called these strange Objects UFOs – Unidentified Flying Objects, and that is how they are (55) today.       Military investigations found no evidence of visitors from outer space. But that did not stop the true (56) The military were (57) up, they said. Or maybe it was because the travelers from space were of such superior intelligence (58) they could hide from military analysts (分析家).People have always seen strange lights in the sky. In the past these were explained in (59) ways. In a world where religion was less influential and science fiction was popular, signs from God were replaced by visitors from other (60).       The date of the first UFO sightings was also significant. In 1947, World War II had just ended and the (61) War was just .beginning. Humanity seemed locked in endless conflicts. Like generations before them, people looked (62) the skies for help. But instead of seeking God, they looked for help from super-intelligent aliens (外星人) with (63) technology. Belief in UFOs became the first religion of science.However, even people who believe in UFOs are not quite sure why they visit the earth.The universe is a big place and it is (64) to assume that there is life somewhere out there. It is possible that aliens have worked out how to travel through space. Yet some people report that they have been taken by aliens and have had experiments (65) on them. Why would anyone travel across half the universe to conduct medical experiments on people living in small towns in the United States?请在第__51__处填上正确答案。

reasonable

解析：【题 干】宇宙是个偌大的地方，猜想在宇宙之外有别的生物是——。A．不可思议 B．不太可能 C．合理的 D．不可想象的【解 析】本题考查句意和形容词。unthinkable、impossible、unimaginable大意相仿，都表示“不可思议，不太可能”。而“宇宙很大”则是后面猜想合理的原因，故本题正确答案为reasonable。C为正确答案。

[单选题]Promising Results from Cancer Study  　 A new experimental vaccine(疫苗)has shown promising results in the fight against lung cancer．In a small Texas-based study，a vaccine developed by scientists at Baylor University Medical Centre in Dallas，USA，cured lung cancer in some patients and slowed the progress of the disease in others．   　 Researchers have reported encouraging findings from this small study．Forty-three patients suffering from lung cancer were involved in these trials．Ten of these patients were in the early stages and thirty—three in the advanced stages of the disease．They were injected with me Vaccine every two weeks for three months，and were carefully monitored for three years.In three of the patients in me advanced stages of cancer，the disease disappeared and in the others，it did not spread for five to twenty—four months．However，no great difference was seen in the patients in the early stages of the illness．  　 This new vaccine uses the patients’own immune、system．It is made specifically for each patient and is injected into the arm or leg．It stimulates the body’s immune system，which then recognizes that the cancer cells are harmful，and attacks and destroys them.  　 The vaccine could be effective against other forms of cancer．It offers great hope for the treatment of cancer in general，although further studies are needed before such treatment can be widely used．根据以上内容，回答{TSE}题。{TS}The vaccine cured all the participants in the trial．

Right

解析：【题 干】该疫苗治愈了参加试验的所有患者。【解 析】利用题干关键词vaccine，cure和participant等可以定位到第一段，即“一 种新的实验疫苗在抵抗肺癌方面展示了有希望的结果。在一个小型的基 于德克萨斯州的研究中，贝勒大学医学中心的科学家发明的疫苗治愈了 部分病人的肺癌，同时减缓了其他病人的病情”。由此可知有些患者被治 愈了，有些是病情得到缓解，因此题干内容与原文信息不一致，故选B。