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为什么C4植物的光呼吸速率低?
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考题
关于光呼吸的说法错误的是()。A、通过同室效应可以选育低光呼吸的植物B、适当提高环境中的CO2的含量可抑制光呼吸C、光呼吸的速率可随氧气浓度的增加而增大D、一般C3植物光呼吸较弱,而C4植物光呼吸较强
考题
class super { public int getLength() {return 4;} } public class Sub extends Super { public long getLength() {return 5;} public static void main (String[]args) { super sooper = new Super (); Sub sub = new Sub(); System.out.printIn( sooper.getLength()+ “,” + sub.getLength() }; } What is the output?() A、 4, 4B、 4, 5C、 5, 4D、 5, 5E、 The code will not compile.
考题
class Super { public int getLenght() { return 4; } } public class Sub extends Super { public long getLenght() { return 5; } public static void main(String[] args) {Super sooper = new Super(); Sub sub = new Sub(); System.out.println( sooper.getLenght() + “,” + sub.getLenght() ); } } What is the output? ()A、 4,4B、 4,5C、 5,4D、 5,5E、 Compilation fails.
考题
下列关于C4植物和C3植物的比较,哪一项是不正确的?()A、C4植物的光呼吸比C3植物弱B、C4植物的光饱和点比C3植物的高C、C4植物的最适温度比C3植物的低D、C4植物的净光合速率比C3植物高
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单选题煤矿井下的有害气体主要是由()、CO2、H2S、NO2、H2、NH3气体组成。A
COB
pCHsub4/sub、SOsub2/sub/pC
pSOsub2/sub、CO/pD
pCO、CHsub4/sub、SOsub2/sub/p
考题
单选题class super { public int getLength() {return 4;} } public class Sub extends Super { public long getLength() {return 5;} public static void main (String[]args) { super sooper = new Super (); Sub sub = new Sub(); System.out.printIn( sooper.getLength()+ “,” + sub.getLength() }; } What is the output?()A
4, 4B
4, 5C
5, 4D
5, 5E
The code will not compile.
考题
单选题class Super { public int getLenght() { return 4; } } public class Sub extends Super { public long getLenght() { return 5; } public static void main(String[] args) {Super sooper = new Super(); Sub sub = new Sub(); System.out.println( sooper.getLenght() + “,” + sub.getLenght() ); } } What is the output? ()A
4,4B
4,5C
5,4D
5,5E
Compilation fails.
考题
单选题A
pIsub2/sub=Isub3/sub/pB
pIsub2/sub=4Isub3/sub/pC
pIsub2/sub=2Isub3/sub/pD
pIsub3/sub=4Isub2/sub/p
考题
单选题关于光呼吸的说法错误的是()。A
通过同室效应可以选育低光呼吸的植物B
适当提高环境中的CO2的含量可抑制光呼吸C
光呼吸的速率可随氧气浓度的增加而增大D
一般C3植物光呼吸较弱,而C4植物光呼吸较强
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