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【单选题】
关于纤毛的描述,下列哪项错误?
A.
纤毛表面为细胞膜，内为细胞质，含有纵行的微管
B.
部分细胞表面分布有静纤毛
C.
纤毛的微管下连于基体
D.
纤毛较微绒毛细而长
E.
纤毛的摆动与管的滑行有关
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【单选题】Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER NOT NULL EMP_NAME VARCHAR2(30) JOB_ID VARCHAR2(20) SAL NUMBER MGR_ID NUMBER DEPARTMENT_ID NUMBER You want to create a SQL script file t...
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INSERT INTO employees VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
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C.
INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50)) VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
D.
INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50) WITH CHECK OPTION) VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
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INSERT INTO (SELECT * FROM employees WHERE (department_id = 20 AND department_id = 50) WITH CHECK OPTION ) VALUES (emp_id_seq.NEXTVAL, &ename','&jobid', 2000, NULL, &did);
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【简答题】主义关于无产阶级政党学说的核心内容是（ ）。
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what happening
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A.
amp;$lt;/a>
B.
amp;$lt;/a>
C.
amp;$lt;/a>
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【单选题】如果使 10 Ω 电阻能获得最大功率,图 16- 所示 10-17 电路中理想变压器的变比 n 为( )。
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【单选题】在HTML文档中创建了一个标记sample，________可以创建指向标记sample的超链接。
A.
＜a href="sample"＞＜／a＞
B.
＜a href="#sample"＞＜／a＞
C.
＜a href="mailto sample"＞＜／a＞
D.
＜a href="www.sample．htm"＞＜／a＞
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【单选题】在HTML文档中创建一个标记sample，（ ）可以创建指向标记sample的超链接。
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【单选题】如果使 10 Ω 电阻能获得最大功率,图 16- 所示 10-17 电路中理想变压器的变比 n 为( )。
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【单选题】在HTML文档中创建了一个标记sample，________可以创建指向标记sample的超链接。
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＜a href="sample"＞＜／a＞
B.
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D.
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