In face of the rising cost for higher education,fields of graduate study that are favored by students are those that（）
Most parents encourage their children to take an active part in social events,（）those events do not interfere with their studies.
Give the refunds to those who have filled out the correct form.
Rainsford’s parents or other childhood influences probably taught him that animals do not have feelings.
Understanding how visual elements group together was a major focus of those studying __________ psychology.
____ men have learned much from the behavior of animals is hardly new.
What should we do to protect those ______ animals?
The negative effects of GM crops have been shown on animals in many studies. 不属于 common knowledge.
Many kinds of animals are believed to have _________ from the earth.
According to this passage, some animals have the gift of ________.
But federal judges often rely heavily on the U.S. Sentencing Guidelines when they determine penalties, and in the case of animal fighting, those guidelines are outdated and extremely inadequate. （CET4-2016.12）
Some animal studies suggest that ascorbic acid may _____ lead and decrease the risk of the toxic effects of lead.
Officers have those duties,such as().
7. Where do you live?8. Have you ever studied in English?
Without water,--------no plants or animals.A there would beB there have beenCthere is
When they find out what kind of animal they have, they are shocked.
_________ men have learned much from the behavior. of animals is hardly new.
The simplest animals are those whose bodies are simplest in structure and which do the things done by all living animals, such as eating, breathing, moving and feeling, in the most_______way.
Scientific groups study the damaging effects on plant ，animal and human life.
________ men have learned much from the behavior. of animals in badly new.A) ThatB)________ men have learned much from the behavior. of animals in badly new. A) That B) Those C) What D) Whether
Even those who seemed to have good reasons to criticize have ________.
The company can apply to the FDA for permission to begin human studies when the results of animal studies indicate that the new drug is like to be ______.
All living things must fight to stay alive. They have to feed on something and at the same time avoid being eaten. Therefore they have to solve this big problem of staying alive in their own way. The danger of being eaten in the sea is great. Those plants and animals that do survive usually reproduce (繁殖 ) very fast and in great number. Certain sea animals have defensive device (装置 ) which help them to survive. The jelly fish have poisonous tentacles (触角 ) which are used for attack and defense. Another method of survival which sea plants and animals use is disguise (伪装. They usually have the same colour as their surroundings. In order to stay alive, animals need to have good senses. Fishes have sharp eyes. Almost all animals are sensitive to touch. Fishes judge movements in the water by means of their lines. Fishes and other sea animals can hear well and many of them can make different types of warning sounds.
Passage 1Plants and animals that have been studied carefully seem to have built-in clocks. These biological clocks, as they are called, usually are not quite exact in measuring time. However, they wor
