“Three” is three times “---- one” and twice “----- one ”.

答案：B解析：第一空“3是1的三倍一样大,是同级比较。”第二空“3比1大两倍,是比较级比较。”这座桥比那座桥长4倍。（汉语理这座桥是那座桥的5倍一样长。）两种表达：1。同级比较This bidge is (five times) as long as that one。这座桥是那座桥的5倍一样长。2。比较级比较This bidge is (four times) longer than that one。这座桥比那座桥长4倍。