1. Dozens of scientific groups all over the world have been_________ the goal of a practical and economical way to use sunlight to split water molecules.
A. pursuing B. chasing
C. reaching D. winning
2. Dr. Smith failed many times but he finally _________to find a successful way to solve the problem.
A. broke off B. broke down
C. broke out D. broke through
3. Daring the ________ larrups took all the troubles to irrigate their crops.
A, draught B. naught
C. fraught D. drought
4. During the business depression half the machines in this factory were ________
A. helpless B. vacant
C. idle D. lonely
5. During the nineteen years of his career, France Battista has won the __________of a wide audience outside Italy.
A. enjoyment B. appreciation
C. evaluation D. reputation
6. During the trip Tom and I _________ driving the car. He would drive for about two hundred miles and then 1 would drive for about another hundred miles.
A. took effect B. took turns
C. made efforts D. turned over
7. Education is carried out __________the principles of the school.
A. to keep pace with B. in relation to
C. according to D. in favor of
8. Employers expect their employees to be ________ for work.
A. timely B. punctual
C. prompt D. urgent
9. England, Scotland and Wales ________ the island of Great Britain.
A. consist B. compose
C. make D. combine
10. English has become a communication ________ for people from different countries.
A. medium B. merit
C. stream D. enjoyment
