对于实性癌的描述，下述哪个是不正确的
A．癌细胞的异型性大
B．又叫实体癌或单纯癌
C．是一种低分化腺癌
D．指肿瘤无囊性变，呈实体状
参考答案：D
Over the past 30 years, China has spent hundreds of billions of yuan to pull its rural population out of poverty. Now China's antipoverty efforts pay________.
150. He was never late for school, _______ more than once by the class teacher..
A．being warned
B．after warned
C．having been warned
D．for warned
