下面选项中,()不是质量监督和检验的基本职能。
A.预防
B.改进
C.报告
D.把关
参考答案:B
— I bought a tie for Dad on Father’s Day yesterday.
— .
A.It’s nothing
B.I would, thanks
C.That’s special enough
D.I didn’t mind
A.放大镜
B.近视眼镜
C.照相机
D.投影仪