具有提前偿还条款的债券，可使企业融资有较大的弹性，当企业资金有结余时，可提前赎回债券；当预测利率下降时，也可提前赎回债券而后以较低的利率来发行新债券，有利于降低资本成本。()
查看答案
【S7】
A. keep
B. warn
C. ward
D. avoid
we can infer from the passage that the oldest form. of communication between people is ______.
A. speech
B. touch and hearing
C. sounds
D. body language
【S19】
A. patients
B. adults
C. volunteers
D. researchers
What is the possible title for this passage？
A. How to Balance a Home and Career.
B. Staying at Home Can Also Be a Good Choice.
C. Some Tips for Becoming a Home Mom.
D. Home Life Comes First before Work.
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