附有出售选择权条款的债券是指债券持有人具有在指定的日期内以票面价值将债券卖回给发行人的权利。 ( )
参考答案：对
根据句意，用括号中所给单词的正确形式填空。
小题1:They are trying to do something ______(help) the old.
小题2:Sally prefers staying at home to ______(go) out on Sundays.
小题3: How is your uncle? Please say hello to ____(he) for me.
小题4:Nancy is too young to look after _______(she).Don’t leave her alone.
小题5:Recently the drought(干旱) is serious in the ______(south) part of China.
小题6:Today most students can go to high school for further _______(educate) in our country.
小题7:We’re doing a lot of activities to celebrate the _____(ninety) birthday of the Communist Party of China(中 * * 党) this year.
下列不属于明暗变化五调子的是（）
A、亮调子
B、中间色调和反光
C、明暗交界线和投影
D、色彩
