There is a real possibility that these animals could be frightened，__________a sudden loud noise.
| A．being there | B．should there be |
| C．there was | D．there having been |
＿＿＿＿ Sunday, the students are at home.
| A．Being | B．To be | C．It is | D．It being |
Most animals have little connection with animals of a different kind , _______they hunt them for food .
A. if B while C. unless D. as
第二部分：英语知识运用（共两节, 满分45分）
第一节：单项填空（共15小题，每小题1分，满分15分）
In face o______failure , it is the most important to keep up_______good state of mood .
| A．/; a | B．a; / | C．the; / | D．/; the |
With this equipment, you can ______ underwater beauty and a new world of adventure!
| A．experiment | B．explore | C．expose | D．expand |
第二节完形填空：（共20小题, 每小题1分, 满分20分）
Juliet Roberts, ______ predicted, won the award for the Oscar Best Female Actress.
| A．if | B．once | C．as | D．when |