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【多选题】
远缘杂种夭亡的表现有哪些？A.
受精后幼胚不能发育或中途停止发育。
B.
能形成幼胚，但幼胚畸形、残缺不全。
C.
幼胚完整，但缺少或极少胚乳。
D.
不能产生有生活力的雌雄配子。
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【简答题】[A] Thinks positively. [B] Knows that principles are more important than rules. [C] Possesses a sense of humor. [D] Communicates facts that are hard to take. [E] Cares for others and their well-being....
【简答题】Time is equal to everyone, and it is more precious than any (posses s ) _______ in the world.
【多选题】A state as a person of international law should posses what qualifications?
A.
A permanent population
B.
A defined territory
C.
A governmentn
D.
A capacity to enter into relations with other states
【简答题】Why did Rebecca want to enter this year's writing contest? A） She believed she possessed real talent for writing. B） She was sure of winning with her mother's help. C） She wanted to share her stories ...
【简答题】Wild animals seem to have escaped the Indian Ocean tsunami(海啸), adding weight to ideas they possess a “sixth sense” for disasters, experts said on Thursday. Sri Lanka wildlife officials have said the ...
【单选题】Which of the following statements is NOT TURE about the sentence-- It is a truth universally acknowledged, that a single man in posses s ion of a good fortune must be in want of a wife?
A.
It begins as though the novel were going to be a great philosophical discourse .
B.
Irony and metaphor are used in this sentence.
C.
It has established the humorous tone of the novel.
D.
It has prepared the reader a chase in the novel of either a male in search of a wife or a woman in pursuit of a husband.
【单选题】According to news reports, personal ____ of guns in the USA causes a lot of trouble.
A.
wealth
B.
possession
C.
matter
D.
problem
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