我国年降水量分布的总趋势是
下列示例中属于防止惯性带来危害的是
听第一篇短文，回答小题。请根据短文内容，选择正确答案，完成信息记录表。
A Day Out
When and where to go
They will go to Sunshine Park ⑴ .
How to go
They will go there by ⑵ .
What to do
They will ⑶ in the morning and boat in the lake in the afternoon.
They will have a picnic in the park.
下列各项中，属于有性生殖的是（ ）
