
【名词&注释】
存活率(survival rate)、象征意义(symbolic meaning)、毕加索(pablo picasso)、竞争能力(competitive ability)、单纯性(simple)、增殖率(proliferation rate)、寿命短(short life)、特发性二尖瓣脱垂(primary mitral valve prolapse)、一会儿(for a minute)
[单选题]24_________
A. planned
B. designed
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举一反三:
[单选题]在下列说法中,正确的是( )
A. K对策者有较强的竞争能力
B. K对策者个体小、寿命短(short life)、存活率低,但增殖率高
C. K对策者适应多变的栖息环境
D. K对策者是以提高增殖能力和扩散能力取得生存机会的
[单选题]The writer suggests that pruning should be done in winter because______.
A. the cut surface can heal more quickly
B. open wounds on the tree run the less risk of getting diseased
C. a gardener can do pruning more easily
D. the leaves can interfere
[单选题]________的《游魂》是一幅具有象征意义的作品。 ( )
A. 毕加索
B. 莫奈
C. 高更
D. 凡.高
[单选题]Waiter: Hello, sir. ?Customer: Could you give us a second, please?
A. Waiter: Sure.
B. Are you ready to order
C. How can I help you
D. Ready to take my order
E. Can I do you a favor
[单选题]心肌处于最适初长度时,肌小节的长度是( )
A. 20~22μm
B. 20~22mm
C. 2.0~2.2μm
D. 2.0~2.2mm
E. 以上都不是
[单选题]圆孔、卵圆孔所属的骨是
A. 蝶骨 B.颞骨
B. 筛骨
C. 枕骨
D. 额骨
[单选题]在群落中调查了10个样方,油松出现于4个样方中,则油松的( )
A. 相对密度等于40%
B. 频度等于40%
C. c.盖度等于40%
D. 相对盖度等于40%
[单选题]产生收缩中、晚期喀喇音可见于( )
A. 房间隔缺损
B. 动脉导管未闭
C. 轻中度单纯性肺脉瓣狭窄
D. 特发性二尖瓣脱垂(primary mitral valve prolapse)
E. 以上都不对
[单选题]心脏收缩力增强时,静脉回心血量增加,这是因为( )
A. 动脉血压升高
B. 血流速度加快
C. 心排出量增加
D. 舒张期室内压低
E. 静脉压增高
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