Q14: In 1914 a total of 469,000 cars and trucks were produced in the United States, but in 1929 almost twice the numbers of tucks alone came off the assembly lines. - the numbers of tucks alone
- that number of trucks alone
- the number of trucks by themselves
- as many trucks themselves
- as many trucks by themselves
that 无指代啊! 我认为这题应该选A 参见大全一题 according to survey by the national institute or on duug abuse ,about 20 percent of young adults used cocaines in 1999,doubling those reported in the 1977survey B to double the number 1977 survey reported c twice those the 1977 survey reported d twice as much as those reported in the 1977 survey e twice the number reported in the 1977 survey the key is E |