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【单选题】
下列关于.HDFS Federation的描述,错误的是?A.
不存在故障
B.
JobTracker“大包大揽”导致任务过重
C.
容易出现内存溢出(分配资源只考虑MapReduce任务数,不考虑CPU、内存)
D.
资源划分不合理(强制划分为slot ,包括Map slot和Reduce slot)
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反馈参考答案：
举一反三
【多选题】下列关于会计科目编码的描述，正确的有（ ）。
A.
会计科目编码必须采用全编码
B.
一级会计科目编码由财政部统一规定
C.
设计会计科目编码应从明细科目开始
D.
科目编码可以不用设定
【单选题】听力原文：If you're planning a holiday but can't decide where to go, visit Sterling Holidays today. We offer you the widest choice of destinations. Our specialty is holidays in the Far East, but we'll give...
A.
House keeping services.
B.
Airline booking services.
C.
Package tour services.
D.
Catering services.
【单选题】尺寸标注后应进行检查复核,下列_____项是错误的。
A.
检查有无尺寸被遗漏
B.
同一张图纸上的尺寸数字大小应一致
C.
尺寸数字应在尺寸线的上方或右方
D.
每个方向上的细部尺寸总和应等于总尺寸
【简答题】Write a product description of about 80-100 words for the flower tea(see the flower below). Flower Tea I am happy to offer you this amazing flavor of artistic flower tea. This tea is made up of young ...
【单选题】听力原文：M: I can't decide whether to buy a new house or an old one. W: If you buy an old one, it'll be much cheaper and you can save a lot of money. Q: What does the woman advise the man to do? (13)
A.
To buy a new house.
B.
To buy an old house.
C.
Not to buy a house.
D.
To save money.
【单选题】This ship set sail and gradually disappeared where the sea ________ the sky.
A.
meets
B.
reflects
C.
catches
D.
connects
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