完形填空：

　　Each person sends out a special smell. It is 1 body smell by physiologists(生理学家). The 2 people have and the physical conditions of 3 are different from person to person. So is the body smell. For those who are fond of 4 , the body smell is strong .The Americans, 5 , have the body smell similar to that of buffaloes(水牛). The vegetarians(素食者) , on the other hand, have a 6 body smell.

　　Scientific studies of the body smell 7 that it consists of hundreds of elements, 8 out from the human body. It is , therefore, 9 for doctors to discover the nature of 10 . Some people have 11 that soaps and perfumes(香水) with body smell of women be 12 by astronauts and explorers at the South Pole.

　　It has been a custom for the 13 to find the criminal (罪犯) according to the 14 .The dogs are 15 to tell smell of different people.

　　Body smell can 16 be used to make locks. Japanese scientists have 17 a lock that reacts to the specific smell. When the 18 of the house stands in front of the door, his smell will be 19 and checked by a certain sensor on the lock. 20 will soon be sent to the lock if the smell is 21 .

　　A 22 body smell is found to be able to 23 her baby at ease. French physiologists have found that the baby will be very 24 and will fall into sleep quickly 25 put beside the mother's scarf.

　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　

1．A．brought	B．found	C．called	D．made
2．A．water	B．foods	C．skins	D．habits
3．A．scientists	B．countries	C．animals	D．people
4．A．meat	B．sugar	C．vegetables	D．fruit
5．A．of course	B．as well	C．for example	D．as a result
6．A．fresh	B．weaker	C．green	D．nice
7．A．learn	B．show	C．know	D．expect
8．A．sent	B．run	C．taken	D．found
9．A．important	B．necessary	C．interesting	D．helpful
10．A．man	B．matter	C．diseases	D．patients
11．A．suggested	B．wished	C．proved	D．considered
12．A．painted	B．tasted	C．bought	D．used
13．A．police dog	B．scientist	C．doctor	D．officer
14．A．experiment	B．smell	C．examination	D．diet
15．A．trained	B．fed	C．ordered	D．caught
16．A．always	B．never	C．still	D．also
17．A．introduced	B．invited	C．invented	D．sold
18．A．lock	B．visitor	C．owner	D．stranger
19．A．given	B．felt	C．fell	D．dropped
20．A．An order	B．A sound	C．An idea	D．A call
21．A．strong	B．weak	C．wrong	D．right
22．A．woman's	B．mother's	C．dog's	D．cat's
23．A．put	B．place	C．set	D．send
24．A．bright	B．healthy	C．noisy	D．quiet
25．A．until	B．if	C．and	D．but