题目内容

下列说法错误的是（）。

A.Northern杂交用于检测RNA。
B.Southern杂交用于检测DNA。
C. 杂交时间不影响核酸分子杂交。
D. 反向点杂交可用于检测基因突变。

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下列说法正确是（）。

A. 理想标记物应有低灵敏性。
B. 探针的长度、浓度和同源性都影响核酸分子杂交。
C. 原位杂交属于液相分子杂交。
D. 原位杂交无法检测染色体的变化。

原位杂交材料有什么（）？

A. 石蜡包埋组织切片和冰冻切片
B. 细胞涂片和培养细胞爬片
C. A和B都正确
D. 以上说法都不正确

翻译65题：65. Today you can do nearly all your banking by using your smart phone. Many of the major banks allow you to pay bills or transfer funds with a smart phone. Experts say that about 70% of Americans will use a mobile banking service in the near future. But some of them are worried about the safety of the mobile banking service. If you are to do banking frequently with your smart phone, you should get antivirus（防病毒）software and set a password on your phone.

Directions: This part, numbered 61 through 65, is to test your ability to translate English into Chinese. After each of the sentences numbered 61 to 64, you will read four choices of suggested translation. You should choose the best translation and mark the corresponding letter on your Answer Sheet. And for the paragraph numbered 65, write your translation in the corresponding space on the Translation/ Composition Sheet.61. To confirm the reservation, please visit our office during business hours with a deposit of 75% of the total tour fare per person.

A. 要想确保能够如期旅行，请在工作时间来我们办公室并交足旅行全款的75%。
B. 请在营业时间来办公室确认预订，并支付每人旅行费用总额的75%作为押金。
C. 为了证实你已经预定了座位，请向办公人员出示车票及所交75%的押金收据。