通常经济基本面较差（增长慢而物价高）时，债券投资收益较高。
参考答案：对
My father ______ a soccer ball.
A．don’t have
B．doesn’t have
C．isn’t have
D．doesn’t has
___Do you like the material ?
___Yes, it ________very soft.
A．is feeling
B．felt
C．feels
D．is felt
