单选题
The second box seems exactly the same as the first one ______. A. except for that it is twice as heavy B. except that it is as twice as heavy C. except it is twice as heavy D. except that it is twice as heavy
【正确答案】
D
【答案解析】[解析] 句式结构题。第二个箱子好像和第一个一样，只是有两倍重。twice as heavy表示“两倍重”，except for后面不能跟从句，要用except that。