【简答题】A.The original work of art increases in value. B.An artist has greater legal protection. C.Artists can sell their work abroad. D.Artists are allowed to make changes in their own works.
【单选题】This picture has its ______ value, because it is the original of Picasso.
【单选题】__________是研究计算机及其周围各种现象和规律的科学。
【单选题】红树植物桐花树,生长在盐分含量非常高的海水中。它在吸收水分的同时、像人出汗一样分泌盐分,来减少盐分的吸收。这种植物称为 。
【简答题】一重力沉降室对粒径30um的颗粒的捕集效率为25%,若采用加隔板的方式将效率提高到75%,至少应加几层()?
【单选题】The passage tells us that the stamp worth a million and a half times its original value is
A.
the Twelve-penny Blue stamp
B.
the Fourteen-penny Orange-Red stamp
C.
the Two-penny Blue stamp
D.
the One-penny Orange-Red stamp
【简答题】A stamp is worth a million and a half times its original value because ______. B) of its rareness and age C) few collectors have it D) it was made in British colonies
【单选题】计算机科学是研究计算机及其周围( )科学。
【判断题】霾(mái)两轮兮絷(zhí) 援(yuán)玉枹( bāo )
【判断题】计算机科学是研究计算机及其周围各种现象和规律的科学。