举一反三
- A. DHA is highly abundant in the membranes of the retina (photoreceptor cells)</p></p><p><p>B. Arachidonic acid is used to make prostaglandins</p></p>
- What is the correct abbreviation for linolenic acid ?
- The Amino Acid Score is defined as:</p></p>
- Acid rain is not straightforwardly _____ to the burning of coal. </p></p>
- As there are abundant resources on the internet or in the library where should Songjian begin?</p></p>
内容
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Which of the following statements are TRUE? A: DHA maintains normal vision and promotes brain development of infants B: Linoleic acid and arachidonic acid mainly come from vegetable oil C: Linoleic acid and arachidonic acid regulate blood lipids, participate in phospholipid formation, promote growth, development and pregnancy D: α linolenic acid is the source of EPA and DHA
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下面Verilog代码对应的输出波形为? <p></p> <p></p> <p></p> <p>`timescale 1ns/1ns</p> <p></p> <p></p> <p>module test;</p> <p></p> <p></p> <p>reg clk,rst;</p> <p></p> <p></p> <p>initial fork</p> <p></p> <p></p> <p>clk=0;</p> <p></p> <p></p> <p>rst=1;</p> <p></p> <p></p> <p>#10 rst=0;</p> <p></p> <p></p> <p>#20 rst=1;</p> <p></p> <p></p> <p>forever</p> <p></p> <p></p> <p>begin</p> <p></p> <p></p> <p>#10 clk=1;</p> <p></p> <p></p> <p>#5 clk=0;</p> <p></p> <p></p> <p>end</p> <p></p> <p></p> <p>join</p> <p></p> <p></p> <p>endmodule</p> <p></p>
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下面不属于Java中的位操作符的是:<br /> (1) ~ <p></p> <p></p> <p></p> <p>(2) &</p> <p></p> <p></p> <p>(3) ^</p> <p></p> <p></p> <p>(4) <<</p> <p></p> <p></p> <p>(5) >></p> <p></p> <p></p> <p>(6) &&</p> <p></p> <p></p> <p>(7) ||</p> <p></p> <p></p> <p>(8) |</p> <p></p> <p></p> <p>(9) >>></p> <p></p>
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已知</p></p><p><p> import java.io.*;</p></p><p><p>class Person{</p></p><p><p>public static void print(){System.out.print("Person");}</p></p><p><p>}</p></p><p><p> class Employee extends Person{</p></p><p><p> public void print(){</p></p><p><p> System.out.print("Employee");}</p></p><p><p>}</p></p><p><p>class Manager extends Employee{</p></p><p><p> public void print(){</p></p><p><p> System.out.print("Manager");}</p></p><p><p>}</p></p><p><p>public class Test{</p></p><p><p> public static void main(String[] args){</p></p><p><p> Manager man = new Manager();</p></p><p><p> Employee emp1 = new Employee();</p></p><p><p> Employee emp2 = (Employee)man;</p></p><p><p> Person person = (Person)man;</p></p><p><p> emp2.print();</p></p><p><p> System.out.print("#");</p></p><p><p> person.print();}</p></p><p><p>}</p></p><p><p>对于以上代码,其输出结果是</p></p>
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下面Verilog代码对应的输出波形为? <p></p> <p></p> <p></p> <p>`timescale 1ns/1ns</p> <p></p> <p></p> <p>module test;</p> <p></p> <p></p> <p>reg clk,rst;</p> <p></p> <p></p> <p>initial fork</p> <p></p> <p></p> <p>clk=0;</p> <p></p> <p></p> <p>rst=1;</p> <p></p> <p></p>