题目内容
Passage OneQuestions 11 to 13 are based on the passage you have just heard.
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Directions: This part is to test your listening ability. It consists of 3 sections.Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the centre.
Human vision like that of other primates has evolved in an arborealenvironment. In the dense complex world of a tropical forest, it is moreimportant to see well to develop an acute sense of smell. In the 41 ______course of evolution members of the primate line has acquired large 42 ______eyes while the snout has shrunk to give the eye an unimpeding view. 43 ______Of mammals only humans and some primates enjoy color vision. The redflag is black to the bull. Horses live in a monochrome world. Light visible tohuman eyes, therefore, occupies only a very narrow band in the whole 44 ______electromagnetic spectrum. Ultraviolet rays are invisible to humans thoughants and honeybees are insensitive to them. Humans have no direct perception 45 ______of infrared rays like the rattlesnake that has receptors tuned into 46 ______wavelengths longer than 0. 7 micron. The world would look eery different 47 ______if human eyes are sensitive to infrared radiation. Then instead of the darkness 48 ______of night, we would be able to move easily in a strange shadowless worldwhere objects glowed with varying degrees of intensity. But human eyes excelin other way. They are in fact remarkably discerning in color gradation. 49 ______The color sensitivity of normal human vision is rarely surpassed even 50 ______sophisticated technical devices.
下面程序有两个printf语句，如果第一个printf语句输出的是194，则第二个printf语句的输出结果是 【13】 。 main() int a[10]=1，2，3，4，5，6，7，8，9，0，*p； p=a； printf("%x\n",p); printf("%x\n"，p+9)；
济南市红十字会一直属单位进口一批外国赠与的残疾人专用仪器，经海关审批后，该批货物获免税进口。2004年10月2日，载运该货物的运输工具抵达青岛港，收货人持“进出口货物征免税证明”向青岛海关进行了申报，青岛海关在审核申报后免税放行。 根据上述案例，回答下列问题。 享受特定减免税待遇进口的货物在货物进口时须出示“进出口货物征免税证明”，下面关于“进出口货物征免税证明”的说法，正确的有( )。
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