请看两个改正后的句子：

1。A surge in sales and a drop in unemployment claims suggest that the economy might not be as weak as some analysts previously thought.

2. Even though more money was removed out of stock funds in July than in any other month since October 1987, sales of fund shares in July were not as low as whatan industry trade group had previously estimated.

我认为1应改为 :A surge in sales and a drop in unemployment claims suggest that the economy might not be as weak as what some analysts previously thought. 用what来摆平economy.

你们觉得呢？