6) Ways must be found to assure our children a decent start(良好的开端)in life.
7) The scientific approach to a problem lies first of all in collecting as much data as possible.
8) In some countries, the constitution(宪法)forbids the military use of nuclear energy.
9) In order to stabilize the economy, the government has worked hard to lower the rate of inflation(通货膨胀)。
10) A great deal has been done to protect the children from the harmful influence of bad books.
