​质量体系审核中，第一方审核是内部审核，第二方审核是由需方和代表进行审核，第三方审核是由认证机构或者独立机构进行审核。​

Choose the best words or expressions. Sam _____________...

单项选择题Choose the best words or expressions.
Sam ___________________ Kung Fu club.
A、is interested with
B、is interested of
C、has interest with
D、has interest in

The surface area of the ridge increases by 20-30% in ta...

单项选择题The surface area of the ridge increases by 20-30% in tandem with the sunlit area, which consequently speeds up the heat________ and dissipation.（ ） 。

What is the name for a company that works on behalf of ...

单项选择题What is the name for a company that works on behalf of employers to find employees?
A.
a recruitment agency                        B.
an enrolment agency C.
a conscription service  D.
a vacancy