AA004当一平面倾斜于投影面时，它在这个投影面上的投影大于实形。
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下列哪一种基因型不是纯合子（）。
A. 基因型为dd
B. 基因型为DD
C. 基因型为Ee
D. 基因型为EE
E. 基因型为CC
一个完整的企业战略包括三个层次，即（）战略、（）战略、（）战略。
A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command： java games.cards.Poker What allows the user to do this？（）
A. put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java
B. put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/*.jar
C. Put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/Poker.jar
D. put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuff/java
E. put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuffijava/*.jar
F. put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuff/java/Poker.jar
乙烯色谱仪输出信号为：（）
A. 0.6-1-5V
B. 0-10V
C. 4-20mA
D. 0-20mA
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