皮皮学，免费搜题
登录
搜题
【单选题】
禾本科植物的气孔器由什么组成
A.
哑铃状保卫细胞
B.
肾形保卫细胞
C.
近菱形的副卫细胞和哑铃状保卫细胞
D.
近菱形的副卫细胞和肾形保卫细胞
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Dating from around AD 1000,the largest mound surviving from the Mississippian culturewas one hundred feet high and had a base of nearly fifteen acres.
A.
civilization
B.
formation
C.
sect
D.
edifice
查看完整题目与答案
【单选题】听力原文： The year is 2501, and the Earth is desperately short of fuel. All Earth's coal, oil and wood have been used up long ago, and scientists have been sent to the ends of the universe in search of al...
A.
Explorers.
B.
Doctors.
C.
Teachers.
D.
Coal-miners.
查看完整题目与答案
【单选题】This is awesome! Does this mean they are
A.
impressed
B.
disappointed
C.
1
D.
2
查看完整题目与答案
【简答题】William Shakespeare was a writer of plays and poems. Some of his most famous plays are Hamlet, Romeo and Juliet, Macbeth. He wrote thirty-seven plays in all. They are still popular today. He was born ...
查看完整题目与答案
【简答题】阅读以下文章,然后回答后附的选择题,请把正确答案写在相应的题号的空格里。 The Nature of Business Business is the human activity related to material things. It is necessary for civilization. It is found in all societies, even the st...
查看完整题目与答案
【单选题】This is a long shot. Does this mean _______?
A.
it is a long time in future
B.
it is worth trying but may not succeed
查看完整题目与答案
【单选题】The word 'lewd' once referred to 'ignorant',but now it is used to mean 'lustful'. This is an example of
A.
narrowing of meaning.
B.
widening of meaning.
C.
loss of meaning.
D.
meaning shift.
查看完整题目与答案
【简答题】( )8. My brother usually _____ his classroom after school. But now he _____ basketball. A. cleans; plays B. is cleaning; plays C. cleans; is playing D. is cleaning; is playingA. cleans; plays B. ...
查看完整题目与答案
【单选题】小型企业的成本会计一般采取( )。
A.
集中工作方式
B.
统一领导方式
C.
分散工作方式
D.
会计岗位责任制
查看完整题目与答案
【简答题】arrogant , complement , inaugurate , transient , subjective , collaboration , rehearsal , supersonic , affix , bald 1. The school choir does not have enough time to prepare for public performances . 2...
查看完整题目与答案
相关题目：
【单选题】Dating from around AD 1000,the largest mound surviving from the Mississippian culturewas one hundred feet high and had a base of nearly fifteen acres.
A.
civilization
B.
formation
C.
sect
D.
edifice
查看完整题目与答案
【单选题】听力原文： The year is 2501, and the Earth is desperately short of fuel. All Earth's coal, oil and wood have been used up long ago, and scientists have been sent to the ends of the universe in search of al...
A.
Explorers.
B.
Doctors.
C.
Teachers.
D.
Coal-miners.
查看完整题目与答案
【单选题】This is awesome! Does this mean they are
A.
impressed
B.
disappointed
C.
1
D.
2
查看完整题目与答案
【简答题】William Shakespeare was a writer of plays and poems. Some of his most famous plays are Hamlet, Romeo and Juliet, Macbeth. He wrote thirty-seven plays in all. They are still popular today. He was born ...
查看完整题目与答案
【简答题】阅读以下文章,然后回答后附的选择题,请把正确答案写在相应的题号的空格里。 The Nature of Business Business is the human activity related to material things. It is necessary for civilization. It is found in all societies, even the st...
查看完整题目与答案
【单选题】This is a long shot. Does this mean _______?
A.
it is a long time in future
B.
it is worth trying but may not succeed
查看完整题目与答案
【单选题】The word 'lewd' once referred to 'ignorant',but now it is used to mean 'lustful'. This is an example of
A.
narrowing of meaning.
B.
widening of meaning.
C.
loss of meaning.
D.
meaning shift.
查看完整题目与答案
【简答题】( )8. My brother usually _____ his classroom after school. But now he _____ basketball. A. cleans; plays B. is cleaning; plays C. cleans; is playing D. is cleaning; is playingA. cleans; plays B. ...
查看完整题目与答案
【单选题】小型企业的成本会计一般采取( )。
A.
集中工作方式
B.
统一领导方式
C.
分散工作方式
D.
会计岗位责任制
查看完整题目与答案
【简答题】arrogant , complement , inaugurate , transient , subjective , collaboration , rehearsal , supersonic , affix , bald 1. The school choir does not have enough time to prepare for public performances . 2...
查看完整题目与答案