20. If a turtle is (helpless)when it is on its back, that means that it A. is especially strong. B. is sleepy. C. can’t help itself by turning over. ...
19. The students will take a (preliminary) test in March, and the main exam in July. A. preparatory B. advanced C. minor D. major ...
16. To (entertain) means: A. to change B. to make sleepy C. to make happy ...
14. The opposite of (ignore) is: A. pay attention B. open slowly C. clean completely ...
12. Someone who is (fortunate) is: A. sorry B. scared C. lucky ...
10. 十进制数(-123)的原码表示为 A. 11111011 B. 10000100 C. 1000010 D. 01111011 ...
8. This is a chance that she should (grasp) with both hands A. understand B. seize C. control D. obtain ...
6. Carrie did not call a plumber when the pipes in her basement froze. She was ______ she could fix the problem herself. A. intense B. confident C. personal ...
5. 马克思主义哲学大厦的基石是 A. 世界是联系和发展的原理 B. 世界统一于存在的原理 C. 世界统一于物质的原理 D. 世界统一于精神的原理 ...
4. The hungry teenagers ______ a box of crackers and a jar of peanut butter while putting away the groceries. A. devoured B. introduced C. created ...