He set up in business __________ his own and was very successful.-考呗网题库移动版

单选题 He set up in business __________ his own and was very successful.

A．in
B．of
C．on
D．by

参考答案C

解析:

单选题 The __________ of the flood, which caused thousands of people to lose their houses, was 3 weeks of torren-tial rain.

A．source
B．origin
C．root
D．resource

单选题 Every year, one student a our high school wins a scholarship that __________ one year of college.

A．improves
B．subsidizes
C．obliges
D．inflicts

单选题 __________ human behavior may be caused by eating substances that upset the delicate'chemical balance in the brain.

A．Deliberate
B．Consistent
C．Primitive
D．Abnormal