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【单选题】
光合作用过程中物质的转变途径，错误的是 [ ]A.
氧原子：H 2 O→ O 2
B.
氢原子：H 2 O→ H 2 → C 6 H 12 O 6
C.
碳原子：CO 2 → C 3 化合物→ C 6 H 12 O 6
D.
氧原子：CO 2 → C 3 化合物→ C 6 H 12 O 6 +H 2 O
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列关于糖浆剂的表述中，不正确的是
A.
热溶法制备糖浆剂适用于对热稳定的药物
B.
单糖浆的浓度为85.0%(g/g)
C.
须加防腐剂
D.
适用于儿童服用
E.
能掩盖某些药物的不良气味
【单选题】I know you must have taken every necessary step to ________ that the experiment will not fail. But I want to be _________.
A.
assure; insured
B.
insure; ensured
C.
ensure; reassured
D.
assure; ensured
【简答题】Iknow you must have taken every necessary step to _____ that the experiment will not fail.(assure; ensure; insure; reassure)
【简答题】Read the following paragraph (the second paragraph of Passage B) and find the main idea by applying the reading skill “Skimming”. I trust that as you prepared for this day, you must have taken some ti...
【单选题】I know you must have taken every necessary step to __________ that the experiment will not fail. But I want to be ___________.
A.
assure, ensured
B.
ensure; assured
C.
insure; assured
D.
ensure; reassured
【单选题】You must have taken a lot of _______________ to practice.
A.
efforts
B.
effects
C.
money
D.
energy
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