【名词&注释】
有利于(beneficial to)、弱酸性(weak acidic)、蝶形花冠(papilionaceous corolla)
[单选题]植物的嫁接最容易。
A. 木本
B. 草本
C. 木质藤本
D. 草质藤本
查看答案&解析
举一反三：
[单选题]具( )的花为整齐花。
A. 舌状花冠
B. 唇形花冠
C. 蝶形花冠
D. 十字花冠
[单选题]The medicine works more effectivelyyou drink some hot water after taking it.
A. as B.until
B. although
C. if
[单选题]碱化尿液有利于下列哪种药物的排泄（ ）。
A. 弱酸性
B. 弱碱性
C. 中性
D. 强酸性
E. 强碱性
[单选题]下列性状( )最为原始。
A. 单叶全缘且对生
B. 单叶深裂互生
C. 单叶浅裂互生
D. 复叶互生
[单选题]What feature of “body language”mentioned in the passage is common to both humans and animals?
A. Lifting beads when sad.
B. Keeping long faces when angry.
C. Bristling hair when ready to attack.
D. Bowing heads when willing to obey.
[单选题]According to Allen, why did the people do better with pets around when l~cing stressful tasks?
A. They have lower blood pressure.
B. They become more patient.
C. They are less nervous.
D. They are in higher spirits.
[单选题]We should consider the students’ requestthe school library provide more books on popular science.
A. that
B. when
C. which
D. where
[单选题]下列哪一结构为根所特有?( )
A. 根冠
B. 分生区
C. 伸长区
D. 成熟区
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