编写教科书的直接依据和国家衡量各科教学的主要标准是______。

单项选择题A lot of children at the school do not live in the town, but come in from () the countryside.

A．surrounded
B．surrounding
C．surroundings
D．surround

单项选择题The machines are made () at full speed.

A．work
B．working
C．to work
D．to be worked

单项选择题Mr White, along with his assistants, () on the project day and night to meet the deadline.

A．work
B．working
C．is working
D．are working

单项选择题As we have known from the map of the woad, this is ______.

单项选择题He hung up the phone, with a()smile on his face.

A．satisfied
B．satisfying
C．to be satisfied
D．having satisfied

单项选择题Victor remained modest () his great success.

A．because of
B．because
C．even
D．despite

单项选择题The air of countryside is cleaner than () of city, but I don't like to live () far.

A．it; that
B．one; very
C．that; that
D．one; that

单项选择题There used to be a museum in the east of the city, ().

A．didn't there
B．used to there
C．used there
D．usedn't to there

单项选择题She couldn't () about the dress. So she asked me what I thought about it.

A．have decision
B．make decision
C．have a decision
D．make a decision

单项选择题以下属于英语学习策略中调控策略的是______。