义务教育法总则第一条规定，为了保障适龄儿童、少年接受义务教育的权利，保证义务教育的实施，提高全民族素质，根据( )，制定本法。

多项选择题关于研究性学习，描述正确的是( )。

多项选择题中小学的“双基”教学是指( )。

单项选择题She （）a novel last month but I don't know whether she has finished it.

A．was translating
B．translated
C．had translated
D．has translated

单项选择题--Can I use the car now --Sorry, but it（）

A．will repair
B．has repaired
C．is still being repaired
D．was repaired

单项选择题--I wonder why Mary is so unfriendly to us.--She is （）than unfriendly, I'm afraid.

A．shyer
B．much shyer
C．shy more
D．more shy

单项选择题Both teams were in hard training; （）was willing to lose the game.

A．either
B．neither
C．another
D．the other

单项选择题How much did you（）fixing the TV

A．pay off
B．pay back
C．pay for
D．pay down

单项选择题Many people believe we are heading for an environmental disaster(灾难) （）we radically(根本地) change the way we live.

A．but
B．though
C．unless
D．in case

单项选择题It's good that we （）to the park because it's started to rain.

A．don' t go
B．hadn' t gone
C．didn' t go
D．wasn' t going

单项选择题All the girls swam in the lake except two, who（）halfway.

A．gave off
B．gave up
C．gave away
D．gave out