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【单选题】
下面四个判断（1）若x 2 =3，则 x= 3 ；（2）若 x=- 2 ，则x 2 =2；（3）若x 3 =3，则 x= 3 3 ；（4）若 x=- 3 2 ，则x 3 =2，其中正确的是（ ）A.
（1），（3）
B.
（2），（3）
C.
（2），（4）
D.
（1），（2），（3）
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【单选题】While traveling in Europe, ___________.
A.
Jane Adams was stirred by the social reform movement
B.
it was the social reform movement that stirred Jane Adams
C.
the social reform movement stirred Jane Adams
D.
Jane Adams, stirred by the social reform movement
【单选题】While traveling in Europe, ____________.
A.
Jane Adams was stirred by the social reform movement
B.
it was the social reform movement that stirred Jane Adams
C.
the social reform movement stirred Jane Adams
D.
Jane and Adams, stirred by the social reform movement
【单选题】I was just about ___ road ___ a ship came to us.
A.
traveling on; while
B.
to travel on; while
C.
traveling by; when
D.
to travel by; when
【单选题】While traveling, whether on business or for _____ , you often need to stay in a hotel.
A.
pressure
B.
pleasure
C.
patience
D.
purpose
【简答题】有一个[学生课程]数据库,数据库中包括三个表:学生表Student由学号(Sno)、姓名(Sname)、性别(S)、年龄(Sage)、所在系(Sdept)五个属性组成,记为: Student(Sno,Sname,S,Sage,Sdept) ,Sno 为关键字。课程表Course由课程号(Cno)、课程名(Cname)、先修课号(Cpno)、学分(Ccredit)四个属性组成,记为:Co...
【单选题】We can infer from the passage that ______
A.
parents get little information about their children' s performance at school
B.
a student has to spend more than 5 periods learning lessons at school
C.
both school and parents think highly to the newsletters
D.
students with a mark above 95% might fail the exams
【单选题】张拉或放张顺序及张拉工艺应符合设计及施工技术方案的要求,当施工需要超张拉时,最大张拉应力不应大于国家现行标准( )的规定。
A.
《混凝土结构设计规范》（GB 50010―2002）
B.
《预应力混凝土用金属波纹管》（JG 225―2D07）
C.
《预应力筋用锚具、夹具和连接器》（GB/T l4370―2007）
D.
《预应力混凝土用钢绞线》（GB/T 5224―2003）
【简答题】A farmer had some dogs to sell. He painted a sign advertising the dogs. A little boy came up to him and said, “Sir, I want to buy a dog.” “Well,” the farmer said, “but they小题1:________(be) very expens...
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