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【单选题】
以下关于《弗兰克斯坦》的说法，哪一个不正确？A.
此书有三个版本，学界一般认为1818年的初版价值最高
B.
小说中关于电力激活生命的叙述，源自当时的一种活力论观念
C.
小说开创了“ 弗兰肯斯坦的情结”等三个重要科幻主题
D.
小说中的“弗兰肯斯坦”是指那个人造的怪物
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【单选题】Examine the structures of the EMPLOYEES and TAX tables. You need to find the percentage tax applicable for each employee. Which SQL statement would you use?（）
A.
SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE e.salary BETWEEN t.min_salary AND t.max_salary;
B.
SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE e.salary > t.min_salary, tax_percent
C.
SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE MIN(e.salary) = t.min_salary AND MAX(e.salary) = t.max_salary
D.
You cannot find the information because there is no common column between the two tables.
【单选题】下列与我国地势有关的说法中正确的是（ ）
A.
所有大河都依地势自西向东流
B.
东海、南海全都是大陆架
C.
昆仑山是地势第一、二级阶梯的分界线
D.
四川盆地位于第三级阶梯上
【单选题】Click the Exhibit button to examine the structures of the EMPLOYEES and TAX tables. You need to find the percentage tax applicable for each employee. Which SQL statement would you use?（）
A.
SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t ON e.salary BETWEEN t.min_salary AND t.max_salary;
B.
SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t WHERE e.salary > t.min_salary AND < t.max_salary;
C.
SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t ON (MIN(e.salary) = t.min_salary AND MAX(e.salary) = t.max_salary);
D.
You cannot find the information because there is no common column between the two tables.
【简答题】Find some academic conferences that are relevant to your discipline. These conferences will be held in the upcoming months in 2019 or 2020. Select one of them to your interest and then email the conta...
【单选题】下列关于我国地势优越性的说法，正确的是
A.
使我国河流水能资源丰富，几乎处处可建水电站
B.
使我国拥有丰富的水能资源、森林资源和矿产资源
C.
有利于我国发展种植业
D.
有利于海洋上湿润气流深入内地
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