38. What does the word "trigger" mean in the passage?
(A) Activated
(B) Shoot
(C) Turn off
(D) Plug

34. (A) fluttered (B) flattered (C) flirted (D) flared

35. (A) fading out (B) wearing off (C) going off (D) pulling out 

36. What is the main idea of the passage? (A) After two decades of lab research, gene therapy in humans has been successful in treating everything from cancer to Alzheimer's to heart disease. (B) A lot of research in gene therapy has focused on getting a gene to its destination and coaxing it to turn on once inside a cell. (C) Although research has been done on how gene therapy can help treat serious diseases, such a treatment may cause irreversible side effects and unknown consequences. (D) Viral vectors like Trojan horses slip genes into target cells undetected.

37. "Viral vectors" are _______. (A) ways with which viruses genomes are changed (B) viruses used for carrying genetic material into cells (C) the paths through which viruses move (D) immune reactions triggered by viral infection

39. According to the passage, which of the following statement is NOT correct? (A) Genes are unable to move across cell membranes on their own. (B) Gene therapy is still in its early stages. (C) Scientists have made significant progress in taking control of viruses that carry therapeutic genes. (D) Much effort in gene therapy has been spent to deceive cells into accepting foreign genes.

40. "Leukemia" is a kind of _______. (A) cell (B) virus (C) disease (D) horse

1.在定溫時將3大氣壓氨氣1升和1大氣壓氯化氫氣體1升,共置於2升真空容器中,最 終壓力為多少大氣壓? (A) 1 (B) 1.5 (C) 2 (D) 2.5

2.有關催化劑的敘述下列哪一項正確? (A)它一定增加反應的總速率,且改變反應熱(B)它可使平衡位置移向生成物的一方 (C)它可使反應循不同的途徑進行(D)它可降低反應的△H值

3.在定溫時,將密閉容器內的理想氣體壓縮而使體積變小時,下列敘述何者正確? (A)氣體分子的運動速率變小(B)氣體分子的個數減少(C)氣體分子撞擊容器器壁 的頻率不變(D)氣體分子的平均動能不變

4.以下哪一項量子數的組合(n,l,m₁)是不可能的? (A) (4,3,3) (B) (4,1,0) (C) (3,2,1) (D) (3,3,-3)