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【简答题】
Smooth muscle cells are ____________, which means they don’t have stripes.
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皮皮学刷刷变学霸
举一反三
【单选题】The film The Founding of a Republic is wonderful because about 80 stars appear in it, some of ________ are world-famous.
A.
whom
B.
who
C.
them
D.
those
【单选题】听力原文： Some people dream of being president of the United States, some of becoming stars in a Hollywood movie, and others of making millions of dollars overnight. Could a dream like that come true in r...
A.
Mechanic.
B.
Bank employee.
C.
Bank guard.
D.
Policeman.
【单选题】检索选修课程 “C2” 的学生中成绩最高的学生的学号。正确的 SELECT 语句是 。
A.
SELECT S# FORM SC WHERE C#='C2' AND GRADE＞＝ (SELECT GRADE FORM SC WHE
B.
SELECT S# FORM SC WHERE C#='C2' AND GRADE IN (SELECT GRADE FORM SC
C.
SELECT S# FORM SC WHERE C#='C2' AND GRADE NOT IN (SELECT GRADE FORM SC
D.
SELECT S# FORM SC WHERE C#='C2' AND GRADE＞＝ALL (SELECT GRADE FORM SC
【单选题】The film The Founding of a Republic is wonderful because about 80 stars appear in it, some of _____ are world - famous. [ ]
A.
who
B.
whom
C.
them
D.
those
【单选题】人们的通信工具从跑马送信、电报电话到手机网络;手机的体积越来越小,但功能却越来越多。这表明( )
A.
新事物是对旧事物的彻底否定
B.
新事物的发展变化是杂乱无章的
C.
事物的任何变化都是根本性质的变化
D.
事物的发展是一个由低级到高级的过程
【单选题】检索选修课程“C2”的学生中成绩最高的学生的学号。正确的SELECT语句是()。
A.
SELECT SNO FORM. SC WHERE CNO='C2' AND GRADE >= ( SELECT GRADE FORM. SC WHERE CNO='C2' );
B.
SELECT SNO FORM. SC WHERE CNO='C2' AND GRADE IN ( SELECT GRADE FORM. SC WHERE CNO='C2' );
C.
SELECT SNO FORM. SC WHERE CNO='C2' AND GRADE NOT IN ( SELECT GRADE FORM. SC WHERE CNO='C2' );
D.
SELECT SNO FORM. SC WHERE CNO='C2' AND GRADE >= ALL ( SELECT GRADE FORM. SC WHERE CNO='C2' );
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