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【简答题】
Read the following passage and decide whether they are true (T) or false (F). Tourism is a modern business, or industry. In the days before inexpensive means of transportation, only the wealthy could travel for pleasure. Today, inexpensive and rapid means of travel make it possible for working people to become tourists. Leisure in the form of long weekends and paid vacations, or holidays, also makes it possible for working people to take trips. Tourism is the name given to the business of serving tourist. Tourism is a very big business. It employs many people in many different types of jobs. Airlines are part of the tourism business. It is so important that there is a special government department for tourism. The department uses the information on the immigration cards to plan facilities for tourists. The department also advertises in many countries and helps the government and sectors (parts or sections) of the tourism industry make things easy and pleasant for the tourist. Only the wealthy could travel for pleasure. Tourism is the business activity connected with providing accommodation, services and entertainment for people who are visiting a place for pleasure. The tourism department uses the information on immigration cards to limit the number of immigrants. The attitudes of the people who work in the tourism industry play an important part in determining whether tourists will enjoy their stay. All countries are happy to have tourist.
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参考答案:
举一反三
【简答题】资本市场线描述的是当市场达到均衡时,由无风险资产与市场组合组成的所有新的有效组合的( )与( )之间的关系。
【简答题】在适当浓度的 b - 巯基乙醇和 8M 脲溶液中, RNase (牛)丧失原有活性。这主要是因为 RNA 酶的 被破坏造成的。其中 b - 巯基乙醇可使 RNA 酶分子中的 键破坏。而 8M 脲可使 破坏。当用透析方法去除 b - 巯基乙醇和脲的情况下, RNA 酶又恢复原有催化功能,这种现象称为 。
【单选题】根据血红蛋白下降程度,重度贫血是指
A.
Hb<150g/L
B.
Hb<90g/L
C.
Hb<60g/L
D.
男性Hb<120g/L,女性Hb<110g/L
【单选题】对线性迭代过程进行归一化,其主要目的是使迭代序列分量满足
A.
最大值是 1
B.
最小值是 0
C.
最大值趋向于无穷大
D.
绝对值最大值为 1
【单选题】关于制止危害民用航空安全的非法行为的公约的是()
A.
东京公约
B.
海牙公约
C.
蒙特利尔公约
D.
芝加哥公约
【判断题】List 接口的特点是元素有顺序,不可以重复
A.
正确
B.
错误
【判断题】List 接口的特点是元素有顺序。
A.
正确
B.
错误
【单选题】甲、乙和丙三个工厂所生产的电池的平均寿命(h)如下表: 工厂 电池的寿命(h) 1 2 3 4 5 6 甲 37 47 40 60 乙 60 86 67 92 95 98 丙 69 100 98 已知因素 (工厂)的效应和为 ,总偏差平方和 . 在显著性水平 下,单因素方差分析表(含部分未知数据)如下: 方差来源 平方和 自由度 均方 值 因素 4284 (B) 2142 (D) 随机误差 (A)...
A.
10728;
B.
22;
C.
1072.8;
D.
9.9167.
【单选题】(单选题)( )是面向大型企业级的Java应用开发平台。
A.
J2EE
B.
J2ME
C.
J2SE
D.
J2DE
【多选题】下列提问措辞不合适的问题有( )
A.
“您是否经常食用方便面?”
B.
“您家电视机的显像管质量如何?”
C.
“您属于白领阶层还是蓝领阶层?”
D.
“您通常一周去超市几次?”
E.
“消费者普遍认为××牌子的冰箱好,你的印象如何?”
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