英语单选集考试卷模拟考试^题_11

1、姓名：_ 班级：_ 学号：_-密-封 -线- 标签:标题考试时间：120分钟 考试总分：100分题号一二三四五总分分数遵守考场纪律，维护知识尊严，杜绝违纪行为，确保考试结果公正。1、many animals have an excellent sense of smell, which they use in hunting. on the other hand, their eyesight may be poor. dogs, for example, have poor eyesight and no color vision. they see only shades of gray.

2、 but the dogs sense of smell is extraordinary,the kind of dog known as alsatian has 220 million olfactory (嗅觉) cells. man has five million. scientists believe that the alsatian is one million times better than man in finding out odors.the human sense of smell, however, is really quite good. the aver

3、age human being can distinguish more than 10,000 different odors.according to the passage which of the following facts is not tree （ ）a.many animals have poor eyesight while their sense of smell, is quite good.b.dogs are color blind.c.the human sense of smell is not good.d.dogs can see no more than

4、shades of gray.2、many animals have an excellent sense of smell, which they use in hunting. on the other hand, their eyesight may be poor. dogs, for example, have poor eyesight and no color vision. they see only shades of gray. but the dogs sense of smell is extraordinary,the kind of dog known as als

5、atian has 220 million olfactory (嗅觉) cells. man has five million. scientists believe that the alsatian is one million times better than man in finding out odors.the human sense of smell, however, is really quite good. the average human being can distinguish more than 10,000 different odors.the alsat

6、ians olfactory cells are _ times as many as mans. （ ）a.forty-fourb.one millionc.220 milliond.10,0003、many animals have an excellent sense of smell, which they use in hunting. on the other hand, their eyesight may be poor. dogs, for example, have poor eyesight and no color vision. they see only shade

7、s of gray. but the dogs sense of smell is extraordinary,the kind of dog known as alsatian has 220 million olfactory (嗅觉) cells. man has five million. scientists believe that the alsatian is one million times better than man in finding out odors.the human sense of smell, however, is really quite good

8、. the average human being can distinguish more than 10,000 different odors.generally speaking, a man can tell _ different odors. （ ）a.five millionb.more than 10,000c.fewer than 10,000d.no more than 10,0004、many animals have an excellent sense of smell, which they use in hunting. on the other hand, t

9、heir eyesight may be poor. dogs, for example, have poor eyesight and no color vision. they see only shades of gray. but the dogs sense of smell is extraordinary,the kind of dog known as alsatian has 220 million olfactory (嗅觉) cells. man has five million. scientists believe that the alsatian is one million times better than man in finding out odors.the human sense of smell, however, is really quite good. the average human being can distinguish more than 10,000 different odors.the bes