肺癌容易发生霍纳综合征是()
A.肺上沟瘤
B.纵隔型肺癌
C.肺段型肺癌
D.瘢痕癌
E.肺泡癌
参考答案:A
It’s impossible for him to escape ________ this time; he made such a big mistake.
A.to punish
B.punishing
C.being punished
D.having punished
玉米对吸收磷的最大量的时期是()。
A.苗期
B.大喇叭口期至灌浆期
C.生育后期