A:-119
B:119
C:-1
D:1
--Do you like baseball?
--Yes, I __________. But my father __________.
1982年,美国的两个实验小组共同研究出转基因超级鼠,基本过程是往核未融合的受精卵内注射了大鼠的生长激素基因,结果是转基因超级鼠比它同胎出生的对照鼠的生长速度快2~3倍,体积大一倍,这项研究被誉为分子生物技术发展的里程碑.
—How is your grandma?
—She is fine. She used to____ TV at home after supper. But now she is used to____out for a walk.