【单选题】【消耗次数：1】
苦味药所含的主要成分是（ ）
①
挥发油
②
蛋白质
③
有机酸
④
生物碱
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相关题目
【单选题】
如果一种食物蛋白质所含必需氨基酸种类齐全,但是氨基酸模式与人体蛋白质的氨基酸模式差异较大,则这种蛋白质属于:
①
不完全蛋白
②
完全蛋白质
③
半完全蛋白质
④
无法判断
随机题目
【判断题】
The most notable language variation is at the level of words people choose --- lexical variation.
①
正确
②
错误
【判断题】
An adverb collocation refers to a chunk that is often used adverbially, with or without an adverb in it.
①
正确
②
错误
【单选题】
For formal English, we’d better NOT choose_______.
①
words of glorification
②
verbs of action
③
words of strength
④
peculiar words
【单选题】
“in addition to”is a/an_______ collocation.
①
noun
②
conjunction
③
preposition
④
adverb
【单选题】
The figure of speech used in “The world is a stage”is_______.
①
simile
②
metaphor
③
paradox
④
allusion
【单选题】
When making a choice of words, speaker/writer needs to consider the following major factors EXCEPT_______.
①
audience
②
length of speech
③
purpose
④
formal and informal English
【判断题】
Homophones are two or more words that sound alike, but look different and have different meanings, such as “sea”and “see”.
①
正确
②
错误
【判断题】
All the free morphemes are lexical morphemes and all the bound morphemes are grammatical morphemes.
①
正确
②
错误
【判断题】
Anglo-Saxon vocabulary is usually regarded as the main body of the English vocabulary.
①
正确
②
错误