Scientists first ______ the idea of atomic bomb in the 1930s.A．deceivedB．conceivedC．reliev

__________ the calculation is right, scientists ？

Scientists, like other people, are always pleased to have their own ideas ______.A．validat

The main idea of the second paragraph is that______.A．the first two phases of the wildlife

After the first experiment, the scientists believed that______.A．Rico could figure out the

I have no idea______we met for the first time.A．thatB．whetherC．whatD．when

Some scientists doubted________.A.if the Gardener