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【多选题】
val books = List(“Hadoop”,”Hive”,”Mapreduce”),以下哪些操作能将字符串全部变成大写？A.
books.map(s => s.toUpperCase)
B.
for (book
C.
books.map(_.toUpperCase)
D.
for (book
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【简答题】Steven，________ very popular with most members， was asked to be the chairman of the tennis club. [A] considered [B] considering [C] having considered [D] to be considered
【单选题】Steven, ______very popular with most members, was asked to be the chairman of the tennis club.
A.
considered
B.
considering
C.
having considered
D.
to be considered
【单选题】The chairman asked me to ______my speech to 20 minutes.
A.
make
B.
give
C.
limit
D.
explain
【简答题】A．She was asked to call the chairman's wife. B．She was asked to retake the final exam. C．She was asked to make a copy of the English final exam. D．She was asked to take the paper to the chairman's wif...
【简答题】展示、陈述、介绍(名词)
【简答题】简述包豪斯设计学院的主要内容及意义。
【简答题】罐头厂在装食物罐头时,通常要添加一些对人体无害的抗氧化剂,此类食物抗氧化剂,防止食物被空气中的氧气氧化而变质。此类食物添加剂应具有 __________( 填“氧化性”或“还原性” ) 。
【单选题】The chairman asked many questions ________ the education of the homeless children in that area.
A.
concerned
B.
concerning
C.
to concern
D.
having concerned
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