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【单选题】
旅行社服务网点备案登记法定文件不包括()。A.
服务网点的营业执照
B.
增存质量保证证明文件
C.
设立社的旅行社业务经营许可证副本和企业法人营业执照副本
D.
服务网点经理的履历表和身份证明
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【简答题】A Mexican girl was questioned by her American teacher at an elementary school in the United States, “What were you doing just now over there?” The girl kept her head down and didn’t say anything. The ...
【多选题】关于荧光酶免疫实验,正确的是
A.
标记物是荧光,检测的是酶
B.
标记物是酶,检测的是荧光
C.
常用的酶是HRP,底物是TMB
D.
常用的酶是ALP,底物是4-MUP
E.
常用的酶是ALP,底物是4-MUG
【简答题】"William, don't forget your towel!" Mom shouted as she applied sunblock on the baby. William threw the folding chairs in the back of the minivan and shouted through the garage door, "OK Mom!" He then ...
【单选题】Coombs实验直接法和间接法的主要区别是()
A.
直接法检测完全抗体，间接法检测不完全抗体
B.
直接法是凝集反应，间接法是沉淀反应
C.
直接法主要检测IgG型抗体，间接法主要检测IgM型抗体
D.
直接法检测红细胞上黏附的不完全抗体，间接法检测血清中游离的不完全抗体
E.
两者结果判断方法不同
【单选题】设 有语句: struct xy{ int x ; float y; char z ;} example; 下面 哪一个叙述错误?
A.
struct 是结构类型的关键字
B.
example 是结构类型的名称
C.
x,y,z 都是结构的成员名称
D.
xy 是结构类型的名称
【简答题】设struct student { char name [20]； char ； }stu； 语句printf('%d/n'，sizeof(stu))；的输出结果是______。
【简答题】完型填空 This evening I met a friend at a local bar. She brought her laptop {along; around; forward} so she could show me some of her latest digital art designs. As we looked through her artwork, the lapt...
【简答题】一、 短文填词 A little boy was hungry. He was happy to see a jar of nuts ( 一罐坚果 ) on the table because nuts were one of his favorite ____1____(thing) to eat. “ I ’ d like some of these nuts. I ’ m sure Moth...
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