【简答题】Examine the following two statements about language, and discuss the similarities and differences between them. Do you agree with the two statements? Explain your answer. (1) Sapir (1921; Language): '...
【多选题】Which two statements about subqueries are true? ()
A.
A subquery should retrieve only one row.
B.
A subquery can retrieve zero or more rows.
C.
A subquery can be used only in SQL query statements.
D.
Subqueries CANNOT be nested by more than two levels.
E.
A subquery CANNOT be used in an SQL query statement that uses group functions.
F.
When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.
【单选题】Two apparently contradictory statements are made about what Zimring thinks will be the out come of the debate about the death penalty: one, 'that Americans' ambivalence about capital punishment can ne...
A.
That Zimring believes that the death penalty can't ever be abolished in America even if, in time, a majority of Americans would like it to be.
B.
That Zimring is confused and doesn't know what he thinks.
C.
That Zimring is sceptical that it will ever be abolished but maybe it will one day.
D.
That Zimring believes that it will ually be abolished but that the decision will not be easily agreed and when it is it will still be deeply unpopular.