单项选择题

下列属于固有免疫分子的是

A．Th1
B．Tc1
C．抗体
D．唾液
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Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)HIRE_DATE DATEYou issue these statements:CREATE table new_emp ( employe_id NUMBER, name VARCGAR2(30));INSERT INTO new_emp SELECT employee_id, last_name from employees; Savepoint s1;UPDATE new_emp set name = UPPER(name);Savepoint s2;Delete from new_emp;Rollback to s2;Delete from new_emp where employee_id=180;UPDATE new_emp set name = ‘James‘;Rollback to s2;UPDATE new_emp sey name = ‘James‘ Where employee_id=180; Rollback;At the end of this transaction, what is true? （）A.You have no rows in the tablE.B.You have an employee with the name of James.C.You cannot roll back to the same savepoint more than oncE.D.Your last update fails to update any rows because employee ID 180 was already deleteD.
A.B.
C.
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男性，45岁，体检结果：BMI：29Kg m2,，腰围98cm，血压130 85mmHg，应给予的健康指导是( ) A、纳入高血压患者健康管理 B、建议非同日3次来医院监测血压 C、指导用药，降低血压 D、建议自我监测血压，减体重 E、建议住院治疗，观察病情
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