更多"When squashed the stem and leaves o"的相关试题:
[单项选择]When stem cells specialize, they ______ .
A. grow into body parts
B. are destroyed
C. are set back to a pristine state
D. turn nose into kidney
[单项选择]Several leaves were found（ ）when the book（ ）me.
A. missing; returned
B. lost; was returned
C. gone; was returned to
D. disappeared; was returned to
[单项选择]We'll miss him when he leaves the company, but no one's______.
A. inaccessible
B. irreversible
C. immovable
D. irreplaceable
[单项选择]Franklin Roosevelt argued that the depression stemmed from the American economy's ______ flaws.
A. underlining
B. vulnerable
C. vulgar
D. underlying
[单项选择]What happened to the leaves falling from the trees in the second study
A. They broke down and the main parts turned into oxygen.
B. They broke down and the carbon content had mainly turned into carbon dioxide.
C. They broke down and the carbon content was mainly absorbed in the soil.
D. They absorbed more carbon dioxide.
[单项选择]Dried leaves continue to hang on the branches of some deciduous trees _________ the new leaves appear.
A. until
B. by
C. that
D. from
[单项选择]With the technology of freezing stem cells from different strains of chicken, ______.
A. chicken farmers can order certain strains of chicken for economic reasons
B. origen can hardly supply all the strains of chicken the market might need
C. chicken farmers can order certain strains of chicken only
D. origen can be supplied with whatever strain they need
[单项选择]The brain stem is located (Paragraph 2) ______.
A. in the hypothalamus
B. between the brain and the spinal cord
C. in the transmitter nerve cells
D. between the hypothalamus and the brain
[单项选择]Laurel leaves are still an emblem of victory（）.
A. a symbol
B. a result
C. a suggestion
D. a spoil
[单项选择]The writer comments on Stem's investigation and analysis in a ______ tone.
A. indifferent
B. negative
C. positive
D. ironic
[单项选择]The definition leaves______ for disagreement.
A. a small room
B. much room
C. great deal room
D. not so big a room
