按照我国《保险法》的规定，除该法另有规定或者保险合同另有约定外，保险合同成立后，保险人不得解除保险合同。
参考答案：对
He ___________the club when he was studying in New York. [ ]
A. joined
B. joined in
C. took part in
D. attended (出席)
下列各项不属于质量监督类型的是______。
A．国家监督 B．行业监督 C．地方监督 D．社会监督
