【名词&注释】
相互关系(relationship)、生态农业(ecological agriculture)、主要因素(main factors)、一般现在时(simple present tense)、血红蛋白尿(hemoglobinuria)、普通诉讼时效(general prescription)、多年生草本植物(perennial herb)、虚拟条件句(subjunctive conditional sentence)、客观情况(objective circumstances)、真实条件句(real conditionals)
[判断题]生态农业的经济效益较低。( )
查看答案&解析
举一反三：
[单选题]期间为20年的诉讼时效，其开始计算的时间为( )。
A. 权利人知道自己权利受到侵害时
B. 权利人应当知道自己权利受到侵害时
C. 权利人知道或应当知道权利受到侵害时
D. 权利受到侵害时
[单选题]下列哪种情况属于功能性蛋白尿( )
A. 凝溶蛋白尿
B. 发热时
C. 血红蛋白尿
D. 糖尿病肾病综合征患者
E. 系统性红斑狼疮肾炎患者
[单选题]If their marketing team succeeds, they __ their profits by 20 percent.
A. will increase
B. would be increasing
C. will have increased
D. would have been increasing
[单选题]决定气体交换方向的主要因素是（ ）
A. 气体在血液中的溶解度
B. 气体的相对分子质量
C. 呼吸膜的通透性
D. 气体的分压差
E. 气体与血红蛋白的亲和力
[单选题]What is probably the best title for the passage?
A. How to Help Your Child Help Others
B. How to Educate a Shy Child
C. How to Communicate with Your Child
D. How to Help Your Child Make Friends
[单选题]Passage TwoThe earliest immigrants to North America found Indians already living there. The Indians numbered about 500,000 at that time. Their society was a primitive society, but they lived peacefully and welcomed the white strangers to the land. However, these early immigrants from Europe didn't want to share the land with the natives. They killed off many of the Indians, seized their land or pushed them off to lands farther away. Today the Indians, not more than halfa million, live in poverty and misery on the land on which they were once masters.
A. The earliest immigrants were the Spanish, who settled in the southern part of what is now the US The next large group were the English, after the English came the French, Dutch, Irish, Germans, and other nationality groups, mostly European.
B. Another early group to arrive were the Negroes. But they were brought in as slaves from Africa. They didn't win freedom till generations later.
C. 40. Who were the earliest people living in North America?
D. The Spanish.
E. The English.
F. The Negroes.
G. The Indians.
[单选题]关于群落概念的叙述，下列不正确的是（ ）
A. 群落的特征就是植物个体的特征
B. 群落内植物与动物之间具有一定的相互关系
C. 群落内植物与植物之间构成一定的相互关系
D. 群落内动物与动物也具有一定的相互关系
[单选题]多年生草本植物(perennial herb)的生活型为( )
A. 地上芽植物
B. 地面芽植物
C. 高位芽植物
D. 隐芽植物
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