【单选题】【消耗次数：1】
The secretary and principal ___ at the meeting now.
①
are speaking
②
is speaking
③
were making a speech
④
have a speech
参考答案：
复制
纠错
相关题目
【单选题】
A: Will the speech last long? B: [填空].
①
Im afraid it will
②
Yes, the speech lasts
③
No, the speech doesnt last
④
Not at all
【单选题】
-- Whos speaking?-- This is Tom_____________.
①
：speaks
②
：spoken
③
：speaking
④
：saying
【单选题】
I have made _______ dumplings. Now Im making the _______ one.
①
twenty; twentieth-first
②
twenty; twenty-first
③
twentieth; twenty-first
④
twenty; twenty-one
【单选题】
The figure of speech used in “The world is a stage”is_______.
①
simile
②
metaphor
③
paradox
④
allusion
【单选题】
__________speaking,Iwouldsaythatabout100peopleattendedtheexhibit.
①
Roughly
②
Rough
③
About
④
On
【单选题】
What are the listening and speaking activities in traditional pedagogy?
①
A. Listen to texts either read by the teacher or pre-recorded on the tape; repeat what is heard
②
Answer the questions according to what is heard; produce responses based on given clues
③
Retell what is heard
④
All of the above.
【单选题】
A: [填空]? B: This is Franco Rossi speaking.
①
Who are you
②
Who are you calling
③
Who is that
④
What do you want to say
随机题目
【简答题】
如果属性集K是关系模式R的主键，K也是关系模式R2的外键，那么在R2的关系中，K的取值只允许取R的主键或[填空]。
【多选题】
设有课程关系Course（课程号，课程名，学分，开设专业号，先修课程号）和专业关系Speciality（专业号，专业名），则课程关系Course的外键是（ ）
①
课程号
②
开设专业号
③
先修课程号
④
学分
【多选题】
下面关于自然连接和等值连接的叙述中，正确的是（ ）
①
自然连接是一种特殊的等值连接
②
自然连接要求在两个关系中有公共属性，而等值连接不必
③
两种连接都可以只用笛卡尔积和选择运算导出
④
自然连接要在结果中去掉重复的属性，而等值连接不必