英语翻译B4u16.there is no mother but loves her own childrenbut 可

英语翻译
B4u1
6.there is no mother but loves her own children
but 可以用who not
9.most parents encourage their children to take an active part in social events,provided the events do not inter fere with their studies
provided 可以用unless代替吗?
10.in no circumstances can more work e go out of a machine than is put into it(句子分析下)
12.he often sat in a small pub drinking considerably more than was good for his health
14.be a man so clever ,if he doesn't learn he h=knows nothing.
u2
2.as can be seen from the comparsion of these figures the principle involves the active participation of the patient in the modification of his condition
3.california has more light than it knows what to do with ,but everything else is expensive
9.it was't so much that i dislike her as that i just wasn't interested in the whole business
10countless divorced politicians would have been elected out of office years ago had they even thought of a divorce ,let alone gotten one
u5
3.a body weighs less the farther it gets from the surface of the earth
4.as it is ,we need to improve the equipment in our factory right now.
8.agriculture was a step in human progress to which subsequently there was not anything comparable until our own machine age.
10.do you think there's any chance of him passing the exam?
chance 可以用opportunity代替吗?
11.every boy and girl must have ____hair neatly combed
为什么是写his而不是 their?