第一节:单项填空(共15小题,每小题1分,满分15分)
21. In face of failure , it is the most important to keep up good state of mood .
A. /; a B. a; / C. the; / D. /; the
22. Most animals have little connection with animals of a different kind , they hunt them for food .
21. In face of failure , it is the most important to keep up good state of mood .
A. /; a B. a; / C. the; / D. /; the
22. Most animals have little connection with animals of a different kind , they hunt them for food .