CLOZE
Fill in each of the 15 blanks in the passage with the most likely answer. Blacken the letter corresponding to your choice on the ANSWER SHEET. (1 point each, 15 points in all)
Hibernation （冬眠）is a way for some animals to deal with the harshness of winter. They seek out a place where they will be protected from the weather and stay （1） the winter is over. During hibernation animals curl up and （2） breathe, seeming almost dead. Their heart rate and blood pressure are greatly （3） , and their body temperature hovers near the freezing （4）. When the weather turns warmer, the animals come out of this state and return to（5） activities.
Hibernators try to find dark, quiet, safe winter homes where they will not be （6）. They may make a den more（7） by filling it with grass, hair and other materials. In （8）, many animals that normally hibernate may have to stay active during the winter because of noise and （9）.
Before winter comes, hibernators spend much of their time eating to （10） more body fat. This extra fat keeps them （11） during the months when they do not eat. A hibernator’s body is sensitive （12） weather conditions. At different points during hibernation, these animals will increase their body temperature, move around, eat and then （13） to hibernating. An animal that does not do this may freeze to death. Similarly, animals respond to warmer temperatures as a （14） to come out of hibernation. It may take an hour or more for a hibernator to reach an alert state.
The knowledge on hibernation has been used on patients （15） certain types of surgery. It may be possible that hibernation could also someday help space travelers by decreasing their need for oxygen and food.
第10题
A、carry on
B、build on
C、put on
D、catch on
【正确答案】：C
【题目解析】：在冬天到来之前，冬眠者会花很多时间吃来...更多的脂肪。carry on：继续。build on：建立。put on：增加（体重）。catch on：明白。分析语境，增加更多脂肪。故选C。