According to this passage, a man's jealousy is mainly focused on ______.A.a concern over their wives' resourcesB.the fatherhood of the offspring to whom he is investingC.their mates' emotional commitmentD.the legitimacy of their marriage
A.a concern over their wives' resourcesB.the fatherhood of the offspring to whom he is investingC.their mates' emotional commitmentD.the legitimacy of their marriage
B.the fatherhood of the offspring to whom he is investingC.their mates' emotional commitmentD.the legitimacy of their marriage
C.their mates' emotional commitmentD.the legitimacy of their marriage
D.the legitimacy of their marriage
第1题
混交方法包括株间混交、( )、不规则混交、( )、行间混交、( )、块状混交。
第2题
行状混交和株间混交适用于种间矛盾比较缓和的树种混交。()
第3题
株间混交和行间混交一般适用于乔、灌混交或阴、阳性树种混交。()
第4题
A.株间混交、行间混交
B.等距离混交、带状混交
C.株间混交、行间混交、带状混交、块状混交
D.不同树种的块状混交
第5题
阳性树种之间混交应选择()。
A.株间混交
B.行间混交
C.带状混交
D.行带混交
第6题
A.株间混交
B.行间混交
C.带状混交
D.块状混交
第7题
A.株间混交
B.行间混交
C.带状混交
D.块状混交
E.星状混交
第8题
第9题
下列混交方法中哪些是适用于矛盾较大,初期生长速度悬殊的主要混交类型()。
A.株间混交
B.行间混交
C.带状混交
D.星状混交
第10题
同一树种组成规则或不规则的块状与其他树种混交叫()。
A.株间混交
B.行间混交
C.带状混交
D.块状混交
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