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【单选题】
汽油机的主要排放污染物是CO、HC和( )。A.
C02
B.
NOx
C.
H2O
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Analyze the following code and choose the best answer: public class Foo { private int x; public static void main(String[] args) { Foo foo = new Foo(); System.out.println(foo.x); } }
A.
Since x is an instance variable, it cannot be directly used inside a main method. However, it can be accessed through an object such as foo in this code.
B.
Since x is defined in the class Foo, it can be accessed by any method inside the class without using an object. You can write the code to access x without creating an object such as foo in this code.
C.
Since x is private, it cannot be accessed from an object foo.
D.
You cannot create a self-referenced object; that is, foo is created inside the class Foo.
【单选题】这个年轻人杀了他的妈妈引起了轰动。
A.
The young man killed his mother made a stir.
B.
That the youn man killed his mother made a stir.
C.
It made a stir the young man killed his mother.
【简答题】验收调查报告的核心内容是（ ）。
【简答题】已知纽约、法兰克福、伦敦三地外汇市场行情如下: 纽约外汇市场:欧元/美元 = 1.1660/80; 法兰克福外汇市场:英镑/欧元 = 1.4100/20; 伦敦外汇市场:英镑/美元 = 1.6550/70。 试问上述三种货币之间是否存有套汇机会?若有,以100美元套汇能获利__________元。(保留两位小数)
【单选题】坚持质量第一、效益优先,以( )为主线,推动经济发展质量变革、效率变革、动力变革,提高全要素生产率。
A.
需求侧结构性改革
B.
经济体制改革
C.
供给侧结构性改革
D.
要素市场改革
【单选题】坚持质量第一、效益优先，以（ ）为主线，推动经济发展质量变革、效率变革、动力变革，提高全要素生产率。
A.
发展社会主义民主政治
B.
供给侧结构性改革
C.
掌握意识形态工作领导权
D.
保障和改善民生
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