As we all know, planting trees is good for the environment. Our class will go to the Sun Island tomorrow. As soon as we      there, we’ll begin to plant trees.

A. arrived  B. arrive   C. will arrive

加工过程烟丝含水率控制精度不符合要求的是（）。

A.投料含水率：士1.0%

B.升华后含水率：士1.0%

C.回潮含水率：士0.5%

D.浸渍烟丝水分：士1.0%