Answer: ABD, according to the regulations, the analysis is as follows:

1. Investors can entrust the members of this exchange who have designated transactions to handle the subscription, subscription, redemption and re-custody of fund shares during the trading hours of this exchange; The time for the SSE to receive the subscription declaration is the matching trading time (9:3 to 11:3, 13: to 15:) and the block trading time (15: to 15:3) of each trading day. A is correct;

2. Investors subscribe for open-end funds by "amount subscription", that is, fill in the subscription application with the amount. Investors shall declare according to the subscription price of "1 yuan", and each subscription amount must be 1 yuan or its integral multiple. The cumulative subscription declaration amount is 1 yuan or its integral multiple, but the maximum amount of a single declaration shall not exceed 99,999 9 yuan.

B correct.

3. Shanghai Stock Exchange handles the subscription and redemption of fund shares on the fund open day disclosed by the fund manager. Reveal the net value of each hundred fund shares of open-end funds in the previous trading day through the "latest price" in the market release system;

is not face value. C does not choose.

4. Multiple subscription declarations can be made on the same subscription date, and the declaration instruction can be changed or cancelled, except that the subscription declaration has been accepted.

D is correct.