[填空题]Person who helps the doctor to look after the sick.

[填空题]A person who takes after the sick.

[单项选择]Henry often helps look after Granny Wang, but （）.
A. seldom is George
B. seldom George does
C. seldom does George
D. seldom looks George after Granny Wang

[单项选择]After seeing a doctor, a person may decide to keep his tattoo because ______.


A. he likes living with it
B. it is too difficult to do otherwise
C. his skin is not suitable for a removal operation
D. it may be important in his job

[单项选择]If the woman has to ask for a sick leave, who should she turn to（　）.
A. Her department manager.
B. The personnel department.
C. The director of the workshop.

[填空题]Allie is a capuchin 16 who helps her disabled friend perform everyday tasks. Allie is a(n) 17 of many animals who can be 18 to do certain jobs. Besides monkeys, 19 and sea lions can also give people a helping 20 .
Dogs are good at 21 down prey and sniffing out 22 and 23 because they have millions of 24 in their nose. Monkeys are good helper for the 25 who cannot look after themselves Sea lions can help scientists to record the 26 of whales because they can 27 to the deep ocean. In addition, 28 are part of whales’ natural environment, which makes the video more 29 .
But animals cannot do the jobs 30 training. The main process of training is called 31 , which uses 32 . During the training, trainers 33 an animal for doing something 34 . For monkeys, the positive reinforcement can 35 a year before they are qualified for their jobs.
A．han