Compendium of Materia Medica(本草纲目) tell us much about the history and medical _______ of many plants.

A.health B.price C.value D.cost

About ________ of the earth ________ covered with water, but we have less and less fresh water.

A.three-fourth; are B.three-fourths; is C.three-fourth; is D.three-fourths; are

In order to sell more products, we need to come up with more ________ ideas.

A.creative B.common C.simple D.cruel

—Which of the two subjects do you like, PE or music?

—________.They are really interesting.

A.Neither B.Both C.None D.All

—I offered Sandy a helping hand. However, she ________ it.

—Maybe she can manage herself.

A.received B.returned C.refused D.regretted

Trees are very important to our environment. They can _____ wind from blowing the earth away.

A.kept B.put

C.take D.stop

Our teachers and parents will be proud of us because we have grown up and can be responsible for ________.

A.themselves B.ourselves C.yourselves D.us

—The fish________delicious. Mum, can I have some?

—Yes, of course. But you should wash your hands first.

A.smells B.tastes C.sounds D.feels

This new model of car is so expensive that it is ________ the reach of those young people with low pay.

A.against B.over C.below D.beyond

—What do you think of the story about ________ blind?

—It's so encouraging that I try to read it without ________ second thought

A.a; a B.a; the C.the; a D.the; the