大量饮清水后，尿量增多主要是由于A．循环血量增加，血压升高B．醛固酮分泌减少C．血浆胶体渗透压下降

A、I’m free now.

B、I’m not available right now.

C、I’m available right now.

D、I’m coming now.

Complete the order form. and return it right now.(英译汉)

A．Tomorrow morning.

B．After dinner today.

C．At exactly the right time.

D．Right now.

It is necessary for you to make the (decide) ______ right now.

A．is

B．are

C．were

D．was

Pupils in the school can______.

A．walk on the right inside the school building.

B．wear outdoor clothing inside the school.

C．go to the Staffroom at lunchbreak.

D．watch videos during the lunchbreak.

Pupils in the school can______.

A．walk on the right inside the school building.

B．wear outdoor clothing inside the school.

C．go to the Staffroom at lunchbreak.

D．watch videos during the lunchbreak.

Were it not for their assistance, we __________(不会有资格)this honorable award right now.