Exposing young children to excessive violence and pornography would be detrimental to their development.
Taking care of a pet can contribute to / be conducive to the development of Children’s social skills.
contribute to / be conducive
The most important ingredient in the formula of success is knowing how to get along with people.
The most important ingredient
formula of success
how to get along with people
a thorny issue
environmentally friendly policies
A proper part-time job does not occupy students’ too much time. In fact, it is unhealthy for them to spend all of time on their study.
The fierce social competition makes people work and live under great pressure.
The sole task of students is to acquire the knowledge and skills （which are）essential to their future career.
favorable/ outstanding/ excellent/ preeminent/ splendid
The Internet is an economical way to convey information.
Nowadays, with the wide applications of computers, many adults feel the pressing need to acquire computer skills.