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【判断题】
磨具的组织表示磨具中材料、结合剂和气孔三者之间不同体积的比例关系。A.
正确
B.
错误
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【简答题】肺心病肺动脉高压的形成，最重要的原因是（）。
【简答题】读一读，给图片涂上颜色。 a blue desk a green chair a yellow door a white window a red book an orange cat
【简答题】A．For they are not hard-working. B．For they don't have good memories. C．For they haven' t enough thne for it. D．For they are busy with their own language.
【简答题】根据音标和句意写单词。 1.We _____ come to the dancing club on Wednesdays . 2.It's good for our health to eat_____ every day . 3.You can find the books about animals on the _____ over there . 4.My mother cooks di...
【单选题】阅读下列代码 import java.io.*; public class Example{ public static void main(String[] args) throws Exception { OutputStream out = new FileOutputStream("itcast.txt ", true); String str = "欢迎你!"; byte[] b = s...
A.
read()
B.
write()
C.
close()
D.
available()
【单选题】阅读下列代码 import java.io.*; public class Example { public static void main(String[] args) throws Exception { FileInputStream in = new FileInputStream("itcast.txt"); int b = 0; while (true) { b = in._____...
A.
read()
B.
close()
C.
skip()
D.
available()
【单选题】阅读下列代码 import java.io.*; public class Example { public static void main(String[] args) throws Exception { FileInputStream in = new FileInputStream("itcast.txt"); int b = 0; while (true) { b = in._____...
A.
read()
B.
close()
C.
skip()
D.
available()
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