1. [单选题]If John leaves, we'll be in trouble, ______ ?
A. if he
B. does he
C. won't we
D. don't we
2. [单选题]Why did Wilson regard "the greatest extinction since the end of the age of dinosaurs" to be the depletion of rain forest areas?
A. The writer did not give his explanation in detail.
B. The rain forests' survival is questionable.
C. It will become warmer and warmer with the depletion of rain forests.
D. Many wild animals and beasts will extinct as a result of the depletion of rain forests.
3. [单选题]心肌细胞中，传导速度最慢的是( )
A. 心房肌
B. 房室交界区
C. 左、右束支
D. 浦肯野纤维
E. 心室肌
4. [单选题]使多样性维持高水平的措施是（ ）
A. 保持平静
B. 强度干扰
C. 中度干扰
D. 低度干扰
5. [单选题]王某立下一份遗嘱，指定其女王兰继承遗产。此时，王兰对王某财产的继承权(right of inheritance)属于( )。
A. 原权
B. 期待权
C. 既得权
D. 主权利
6. [单选题]According to the first paragraph an American student is allowed____．
A. to live in a different universitiy
B. to take a particular course in a different university
C. to live at home and drive to classes
D. to get two degrees from two different universities
7. [单选题]
A. 颊肌B．咬肌
B. 颏舌肌
C. 下颌舌骨肌
D. 胸锁乳突肌
E. 1.三叉神经支配( )
F. 2.舌下神经支配( )
8. [单选题]The author assumes that his readers are__________ the basic concepts.
A. careful with
B. careful to
C. familiar with
D. familiar to
9. [单选题]导孜手术后腹胀的主要原因是( )
A. 细菌代谢产生的气体
B. 血液内的气体弥散至肠腔商
C. 肠蠕动受抑制
D. 组织代谢产生l气体
E. 腹部切口疼痛
10. [单选题]房水产生于( )
A. 脉络膜
B. 脉络丛
C. 蛛网膜颗粒
D. 睫状体
E. 巩膜静脉窦
