更多"All plants need light, a suitable c"的相关试题:
[单项选择]While photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
[单项选择]Once they germinate, plants need sunlight to grow.
A. turn green
B. are infected
C. sprout
D. become full-blown
[单项选择]It is believed that plants need ______.
A. extra water
B. more sunlight
C. more nutrient
D. enough warmth
[单项选择]Will you need all experienced salesman for your company at present
A. 目前您是否有经验为您旅馆设一名接待员
B. 您旅馆现在想找一名有经历的推销员吗
C. 不知贵公司目前是否需要一名有经验的推销员
D. 目前您旅馆是否需要一名有经验的推销员
[单项选择]Some plants are very_______to light；they perfer the shade．
A. sensible
B. flexible
C. objective
D. sensitive
[单项选择]Some plants are very ________ to light; they prefer the shade.
A. sensible
B. flexible
C. objective
D. sensitive
[单项选择]All of the plants now raised on farms have been developed from plants ______ in the wild.
A. once they grew
B. that once grew
C. they grew once
D. once grew
[单项选择]All of the plants now raised on farms, have been developed from plants ______wild.
A. once they grew
B. they grew once
C. that once grew
D. once grew
[单项选择]In almost all chemical-process plants, heat is ______ by burning of fossil fuels-coal, oil, or natural gas.
A. transformed
B. conducted
C. transferred
D. generated
[单项选择]Why would policy makers need to regulate all firms that produce differentiated products
A. Because such products are so common in the economy.
B. Because there is no easy way for policymakers to fix the problem.
C. Because they want to enforce marginal-cost pricing.
D. Because monopolistic competitors are making zero profits.
[单项选择](All of) the plants now (raised) on farms (have been) developed from plants (once grew) wild.
A. All of
B. raised
C. have been
D. once grew
[单项选择] You need to maintain a record of all transactions on some tables for at least three years. Automatic undo management is enabled for the database. What must you do accomplish this task?（）
A. Enable supplemental logging for the database.
B. Specify undo retention guarantee for the database
C. Create Flashback Data Archive in the tablespace where the tables are stored.
D. Create Flashback Data Archive and enable Flashback Data Archive for specific tables
[单项选择]You need to calculate the total of all salaries in the accounting department. Which group function should you use?（）
A. MAX
B. MIN
C. SUM
D. COUNT
E. TOTAL
F. LARGEST
[单项选择]All of the information that you need to apply for your visa is available, free of charge, from WorldBridge's website, our commercial partner.
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