Whether an operation should be performed in this case _________

单选题 Whether an operation should be performed in this case __________ very much on the patient's general condition.

A．relies
B．counts
C．centers
D．depends

参考答案D

解析:

单选题 Nancy was surprised that they have__________ . They seemed to be a happy couple.

A．split up
B．broken down
C．fallen through
D．knocked out

单选题 Free medical treatment in this country covers sickness of mind as well as __________ sicknesses.

A．normal
B．regular
C．average
D．ordinary

单选题 Many manufacturers were accused of concentrating too heavily on cost reduction, often at the__________ of the quality of their products.

A．expansion
B．exposure
C．expense
D．expectation