31 Roughly 4.5 billion years ago, a planetary embryo the size of Mars _______ into Earth, ripping off Earth's outer
layers and sending a cloud of molten debris into orbit.
(A)converted
(B)slammed
(C)tucked
(D)evolved
答案:登入後查看
統計: A(39), B(87), C(41), D(25), E(0) #1456260
統計: A(39), B(87), C(41), D(25), E(0) #1456260
詳解 (共 2 筆)
#1525601
(A)轉化
(B)砰擊
(C)捲起
(D)進化
13
0