问题
单项选择题 配伍题
腹腔镜胆囊切除术最严重的并发症是（）
A.胆管损伤
B.胆管癌变
C.肠管损伤
D.复发性胆管炎
E.急性胰腺炎
答案
参考答案：A
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腹腔镜胆囊切除术最严重的并发症是（）
A.胆管损伤
B.胆管癌变
C.肠管损伤
D.复发性胆管炎
E.急性胰腺炎
参考答案：A
| 阅读理解。 | ||||||||||
| My sister is twenty-two this year. She is now a worker in a factory (工厂). The factory is far from our home, so she gets up early every morning, and then she goes to work by bus. At about seven thirty, she gets to the factory. She works very hard. Everyone likes her very much and says she is a good worker. She has lunch in the factory. She often plays table tennis after lunch. In the evening, she learns English at home. Her English is very good. She sometimes helps me with my English. I like her very much. | ||||||||||
|
以下是员工(EMPLOYEE)表的结构：
| EMPLOYEE | ||
| EMPLOYEE_ID | NUMBER | NOT NULL, Primary Key |
| EMP_LNAME | VARCHAR2(25) | |
| EMP_FNAME | VARCHAR2(25) | |
| DEPT_ID | NUMBER | Foreign key to DEPT ID column of the DEPARTMENT table |
| JOB_ID | NUMBER | Foreign key to JOB ID column of the JOB table |
| MGR_ID | NUMBER | References EMPLOYEE ID column |
| SALARY | NUMBER(9, 2) | |
| HIRE_DATE | DATE | |
| DOB | DATE | |
A．CREATE INDEX employee(emp_lname);
B．CREATE INDEX employee(emp_lname) employee_emp_lname_idx;
C．CREATE INDEX employee_emp_lname_idx
ON employee；
D．CREATE INDEX employeeemp_lname_idx
ON employee(emp_lname);