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【判断题】
Informally, a handle of a string is a substring that matches the right side of a production rule. But not every substring matches the right side of a production rule is handle A handle of a right sentential form g (= abw ) is a production rule A → b and a position of g where the string b may be found and replaced by A to produce the previous right-sentential form in a rightmost derivation of g . S ⇒(*|rm) a A w ⇒(*|rm) abw If the grammar is unambiguous, then every right-sentential form of the grammar has exactly one handle. We will see that w is a string of terminals.A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】显性负突变(dominant negatire mutation)
【简答题】A．eminent B．imminent C．prominent D．dominant
【单选题】Dominant price leadership exists when:
A.
one firm drives the others out of the market.
B.
the dominant firm decides how much each of its competitors can sell.
C.
the dominant firm establishes the price at the quantity where its MR = MC, and permits all other firms to sell all they want to sell at that price.
D.
the dominant firm charges the lowest price in the industry.
【多选题】Which of the following are true with a dominant culture?
A.
A dominant culture is not always the majority.
B.
It is a culture within a broader mainstream culture.
C.
A dominant culture often imposes its influence on other cultures through economic or political power.
D.
The old-order Amish is one of the dominant cultures in America.
【单选题】无外保温外墙防水工程施工中，砂浆防水层施工应符合的规定下列错误的是（）。
A.
基层表面应为平整的毛面，光滑表面应进行界面处理。
B.
配合比应按照设计要求，通过试验确定。
C.
配制好的防水砂浆宜在2h内用完，施工中不得加水。
D.
界面处理材料涂刷厚度应均匀、覆盖完全，收水后应及时进行砂浆防水层施工。
【简答题】Because public institutions will be dominant, diversity becomes ______.
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