Medieval cities grew rapidly when they had harbors nearby.

Medieval cities grew rapidly when they had harbors nearby.A.merchants B.castles

查看答案

Leaves are not distributed accidentally on a plant stem, but

Leaves are not distributed accidentally on a plant stem, but are arranged in a v

查看答案

Genera has increased the number of its employees recently.

Genera has increased the number of its employees recently.A.Right B.Wrong C.Not

查看答案

If we leave now,we should miss

If we leave now,we should miss the traffic.A.direct B.stop C.mix D.avoid

查看答案

In the process,the light energy converts

In the process,the light energy converts to heat energy.A.changes B.reduces C.le

查看答案