34. That( A ) copper and bronze were first used( B ) in the world is ( C ) an interesting question in science history( D ).
答案:登入後查看
統計: A(105), B(13), C(50), D(63), E(0) #613883
統計: A(105), B(13), C(50), D(63), E(0) #613883
詳解 (共 4 筆)
#1098589
改為When
語意:銅和青銅何時在世界上首次被使用,是科學史上一個有趣的問題。
7
0
#910124
這要怎麼改呢
1
0
#1412830
That通常用於代稱或指一物
1
0