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【简答题】
裸子植物生殖器官的演化趋势是：孢子叶由散生到聚生成各式______，大孢子叶逐渐______，雄配子体由具吸器发展为具______，雄配子由游动的______发展到______，颈卵器由退化、简化发展到______。这些演化使裸子植物有可能更完善地适应______生活条件，而达到较高的系统发育水平。
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参考答案：
举一反三
【简答题】A．Because the hot air has to reach a certain temperature. B．Because the house is very big. C．Because termites try to escape by hiding in wooden beams. D．Because termites may survive for a full six hou...
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【单选题】Saying that a certain gift is very specialto someone is in presenting gifts in Western countries.
A.
very rare
B.
a polite formula
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【单选题】根据奥瑞姆的自理理论，护士教会患者胰岛素注射方法属哪种补偿系统
A.
完全补偿系统
B.
部分补偿系统
C.
护理教育系统
D.
支持教育系统
E.
自理防御系统
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【简答题】在 Excel2010 中,如果同时打开了两个工作簿,单 击 “关闭”按钮会将( )工作 簿 关闭。 A 两个 B 一个 C 打开的那个 D 最小化的那个
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【单选题】Some students find certain grammar points and structures very difficult; _____, teachers need a reliable source of practice material to get these points across effectively. [     ]
A.
however
B.
as a result
C.
even so
D.
what’s more
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【简答题】Not very long ago, a special family system(体系) existed in certain parts of South India. In the system, the actual head of a family unit was the mother’s eldest brother, though the mother also had an i...
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【判断题】北京地区最早的鉴于历史文献记载的城市名称当属商周时期的燕，蓟古城。
A.
正确
B.
错误
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【单选题】听力原文： I am certain that any of you who have been on campus very long may have already heard about this course. As you may know, last semester almost half the students in my class failed. Before you ge...
A.
There will be a test on Thursday.
B.
There will be a quiz on Thursday.
C.
The class will read the story on Thursday.
D.
The class will write a composition.
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【单选题】I really don’t know for certain____ they discussed.this important event very secretly.
A.
where was it that
B.
where it was that
C.
where that
D.
it was where that
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【单选题】The weather condition for a certain place or country will very likely vary every year.
A.
Y
B.
N
C.
NG
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相关题目：
【简答题】A．Because the hot air has to reach a certain temperature. B．Because the house is very big. C．Because termites try to escape by hiding in wooden beams. D．Because termites may survive for a full six hou...
查看完整题目与答案
【单选题】Saying that a certain gift is very specialto someone is in presenting gifts in Western countries.
A.
very rare
B.
a polite formula
查看完整题目与答案
【单选题】根据奥瑞姆的自理理论，护士教会患者胰岛素注射方法属哪种补偿系统
A.
完全补偿系统
B.
部分补偿系统
C.
护理教育系统
D.
支持教育系统
E.
自理防御系统
查看完整题目与答案
【简答题】在 Excel2010 中,如果同时打开了两个工作簿,单 击 “关闭”按钮会将( )工作 簿 关闭。 A 两个 B 一个 C 打开的那个 D 最小化的那个
查看完整题目与答案
【单选题】Some students find certain grammar points and structures very difficult; _____, teachers need a reliable source of practice material to get these points across effectively. [     ]
A.
however
B.
as a result
C.
even so
D.
what’s more
查看完整题目与答案
【简答题】Not very long ago, a special family system(体系) existed in certain parts of South India. In the system, the actual head of a family unit was the mother’s eldest brother, though the mother also had an i...
查看完整题目与答案
【判断题】北京地区最早的鉴于历史文献记载的城市名称当属商周时期的燕，蓟古城。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文： I am certain that any of you who have been on campus very long may have already heard about this course. As you may know, last semester almost half the students in my class failed. Before you ge...
A.
There will be a test on Thursday.
B.
There will be a quiz on Thursday.
C.
The class will read the story on Thursday.
D.
The class will write a composition.
查看完整题目与答案
【单选题】I really don’t know for certain____ they discussed.this important event very secretly.
A.
where was it that
B.
where it was that
C.
where that
D.
it was where that
查看完整题目与答案
【单选题】The weather condition for a certain place or country will very likely vary every year.
A.
Y
B.
N
C.
NG
查看完整题目与答案
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