In ______ times, human beings did not travel for pleasure, but to find a more favorable climate.

A.prime B.primary C.primitive D.preliminary

She was frightened, as she noticed there was something ______ in his eyes.

You will never get ______ with all your homework tonight.

The doctor is trying to ______ the girl who has fainted.

Directions: This part consists of a short passage. In this passage, there are altogether 10 mistakes, one in each numbered line. You may have to change a word, add a word or delete a word. If you change a word, cross it out and write the correct word in the corresponding blank. If you add a word, put an insertion (∧) in the correct place and write the missing word in the blank. If you delete a word, cross it out and be sure to put a slash (/) in the blank.Example:Television is rapidly becoming the literature of our period.1. _time_Many of the arguments having used for the study of literature as a2. __/___school subject are valid for∧study of television.3. _the__American researchers say a new study has found that a substancemade by the plant known as Saint John’s wort (藿香) is not effective in treating1. ______serious depression. Depression is a feeling of deep sadness that continuesfor at least 14 days. People who are depressed may have decreased energy,feelings of guilty or thoughts of killing themselves. 2. ______Saint John’s wort has become very popular in the United States to treatdepression. It sells in many stores. Researchers say the latest study is the3. ______first large scientific trial of Saint John’s wort in patients suffering seriousdepression. It is involved 200 people at 11 medical centers in the United States. 4. ______The patients received either Saint John’s wort nor an inactive substance. 5. ______After eight weeks, the researchers found no real difference between theGroup taking Saint John’s wort and the group taking the inactive substance.Richard Shelton, a professor at Vanderbilt University led to the study and 6. ______published the results in the Journal of the American Medical Association. Hesaid the study means that people suffering depression should take Saint John’s 7. ______wort. They should go to a doctor and receive medicine that is known to helpdepression. The new results dispute the findings of at least 20 earlier studies.These studies showed that Saint John’s wort did help people suffer a less 8. ______serious kind of depression. So Doctor Shelton and the other researchersre-examined their study results. They looked for any effects from Saint John’swort on less serious depression.Again they found that the substance was not efficient. Doctor Shelton9. ______said no proof exists to support the use of Saint John’s wort for any kind ofdepression. But he also said more studies are needing to confirm the findings 10. ______of his group.

Fresh air and good food are ______ to the health.