前两天刚用过 没遇到 没冻结账户的情况

能，可能会冻结账户要传身份证明

能用，用过。稍微有些限制，比如只让用一个 GPU.

@postlive 确定吗。。
刚看到 gcp 网站上这么写的：
Your free trial credit applies to all GCP resources, except that you cannot:

Have more than 8 cores (or virtual CPUS) running at the same time.
Add GPUs or TPUs to your instances.
Request a quota increase. For an overview of Compute Engine quotas, see Resource Quotas.
You must upgrade your account to perform any of the actions in the preceding list.

能用