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【单选题】
下列关于裸蕨植物的描述,错误的是?
A.
没有维管组织
B.
茎、叶分化不明显
C.
较为矮小,一般体长不到1米
D.
孢子囊常位的顶端
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【单选题】It will take months for his fractured leg to ______.
A.
heal
B.
recover
C.
cure
D.
recuperate
【单选题】IEEE802标准中定义了逻辑链路控制子层的功能与服务的协议是( )。
A.
IEEE 802.5
B.
IEEE 802.3
C.
IEEE 802.2
D.
IEEE 802.1
【简答题】Recuperate ___ : ___
【单选题】In Arizona, Susan’s mother met Capt. Nathan Songtag, a World War II veteran sent there to recuperate .
A.
a. Recover from sickness
B.
Fight on a battleground
C.
Serve in the army
D.
Take a vacation
【单选题】OSI模型中,LLC头数据封装在数据包的过程是在:
A.
传输层
B.
网络层
C.
数据链路层
D.
物理层
【简答题】Sitting for brief periods can help us recover from ____________ and recuperate.
【单选题】What's the meaning of the word "recuperate" in "Moths later when Jason had recuperated considerably, he stopped hanging around with Sam"?
A.
Realize.
B.
Recover.
C.
Lose one's temper.
D.
Be indifferent.
【单选题】The doctors were worried because the patient did not recuperate as rapidly as they had expected.
A.
withdraw
B.
emerge
C.
recover
D.
uncover
【单选题】recuperate
A.
恢复体力
B.
大出血
C.
易碎的
D.
永久的
【单选题】在数据库的E-R图中,椭圆形框表达的是 ( )。
A.
实体
B.
属性
C.
实体之间的联系
D.
实体与属性之间的联系
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