So a key difference between a rocket and a jet plane is () a rocket’s engine lifts it directly upward into the sky, whereas a jet’s engines simply speed the plane forward so its wings can generate lift.
So a key difference between a rocket and a jet plane is () a rocket’s engine lifts it directly upward into the sky, whereas a jet’s engines simply speed the plane forward so its wings can generate lift.
A.that
B.why
C.where
D.how
正确答案:that
Tag:英文科技论文写作
时间:2022-01-28 15:53:21