——Is it next to the library?
——_____________.
A:Yes, there is
B:No, it is
C:No, it isn't
D:Yes, she is
哮喘是常见的呼吸系统疾病,严重的会导致肺泡的弹性回缩减弱,直接影响( )
下列举的各种细胞中,细胞核内基因成单存在的是( )
18世纪中期,发端于英国的工业革命彻底改变了传统的生产方式,是一场划时代的革命。这场革命兴起阶段最具决定意义的科技成果是( )
Huangshan is a good place to _____.
选出与句子内容相符的图片。
① It's going to rain soon. ____ A.
② It's going to snow.____ B.
③ It's raining now____ C.
④ It's going to be windy in Lhasa.____ D.