Question

第二節(共10小題;每小題1. 5分，滿分15分)

閱讀下面材料，在空白處填入適當的內容(1個單詞) 或括號內單詞的正確形式。

            Reproductive cloning may enable researchers to make copies of animals with potential benefits for the field of medicine and many others.

            For instance,the Scottish researchers who cloned Dolly have also cloned other sheep that have been genetically changed

61. (produce) milk that contains a human protein essential for blood (凝固) .They did this in the hope 62.someday this protein may be obtained from the milk and given to humans 63.blood doesn’t clot properly.

            64. application is to create clones to build populations of endangered,or possibly even extinct species of animals. In 2003,an endangered type of ox,called the banteng,was successfully cloned. 65.(short) after that,three African wildcats' were cloned using frozen embryos as a source of DNA. Some experts are 66. favour of cloning extinct animals,saying that it can save many species that would otherwise disappear,while some raise a(n) 67.(object) , arguing that cloning produces a population of genetically identical individuals that lack the genetic variability necessary for species survival.

            Some people have even expressed interest in 68. (have) their deceased pets cloned in the hope of getting a similar animal to replace the dead one. But as 69.(show) by a cloned cat,a clone may not turn out exactly like the original pet whose DNA 70.(use) to make the clone.

Answer 1

61. to produce。考查不定式作狀語的用法。克隆其它羊的目的是制造含凝血蛋白的奶，故填to produce。

62. that。考查連接詞。設空處引導同位語從句，解釋說明hope的內容，且從句結構和意義均完整，故填that。

63. whose。考查關系詞。設空處引導限制 性定語從句修飾humans ,且在從句中作定語，故填whose。

64. Another。考查限定詞。設空處限定 application ,且上一段講了克隆動物的一個應用，本段講到的是克隆的另一個應用，故填Another。

65. Shortly。考查副詞。設空處作狀語修飾 after ,故填 Shortly。

66. in。考查固定結構。in favour of意為“贊成，支持”。

67. objection。考查名詞。設空處作賓語，表不“反對”，故填objection。

68. having。考查動詞-ing形式作賓語的用法。設空處作介詞in的賓語，且people與have之間是邏輯上的圭謂關系，故填 having。

69. shown。考查過去分詞作狀語的用法。as shown by…意為“正如…所示展示

的”。

70. was used。考查一般過去時的被動語態。DNA與use之間是被動關系，且use 所表示的動作發生在過去，應用一般過去時，故填was used。