L 型细菌（L-form of bacteria）是指细菌在某些环境条件下（实验室或宿主体内）通过自发突变而形成的遗传性稳定的细胞壁缺陷变异型。

一般原产地证的英文是（ ） A: CERTIFICATEOFORIGION B: ORIGION C: B/L D: FORM A

FORM OF L/C: IRREVOCABLEL/C NO.:16572139CJKISSUE DATE: MAY 5, 200531D:EXPIRY DATE/PLACE: JULY 15,2005 IN CHINA

In L/C Application form, the "Expiry Place" refers to ( ). A: the place where the Issuing Bank is located B: the place where the Application Form is submitted C: the place where the Beneficiary submit documents D: the place where the Applicant effect payment

给出下列的代码，则以下哪个选项返回true String s = "hello"； String t = "hello"； char c[ ] = {''h''，''e''，''l''，''l''，''o''}； A: Sub Pro4 (x As Form) B: Sub Pro4 (y As Control) C: Sub Pro4 (Forml As Form，Labell As Control) D: Sub Pro4 (x As Currency)

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 B: FORM SCWHERE C C: =‘C2’ AND GRADE>=(SELECT GRADE FORM SCWHERE C D: =‘C2’) E: SELECT S F: FORM SCWHERE C G: =‘C2’ AND GRADE IN(SELECT GRADE FORM SCWHERE C H: =‘C2’) I: SELECT S J: FORM SCWHERE C K: =‘C2’ AND GRADE NOT IN(SELECT GRADE FORM SCWHERE C L: =‘C2’) M: SELECT S N: FORM SCWHERE C O: =‘C2’ AND GRADE>=ALL(SELECT GRADE FORM SCWHERE C P: =‘C2’)

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 B: FORM SC WHERE C C: =“C2” AND GRAD>=(SELECT GRADE FORM SCWHERE C D: =“C2”) E: SELECT S F: FORM SCWHERE C G: =“C2” AND GRADE IN(SELECT GRADE FORM SCWHERE C H: =“C2”) I: SELECT S J: FORM SCWHERE C K: =“C2” AND GRADE NOT IN(SELECT GRADE FORM SCWHERE C L: =“C2”) M: SELECT S N: FORM SCWHERE C O: =“C2” AND GRADE>=ALL(SELECT GRADE FORM SCWHERE C P: =“C2”)

Which of the following form of the English language is thought a free morpheme? A: The form non. B: The form un. C: The form nil. D: The form neg.

获取第一个form元素的方法有哪些？（） A: $（"form"） B: $（"form：eq（0）"） C: $（"form"）.eq（0） D: $（"form：first"）

The function of the Caption attribute of the form is (). A: Ensure the title of the form B: Ensure the name of the form C: Ensure the boundary type of the form D: Ensure the font of the form