The grammatical category reflected in book/books, child/children is called______.
A. number
B. case
C. gender
D. aspect
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What type of sentence is "Jim has chosen a law school because he wants to be a lawyer in future."？
A simple sentence.
B. A coordinate sentence.
C. A complex sentence.
D. None of the above.
下列不属于扩散原理制备的缓释制剂有()
A. 水不溶性包衣膜
B. 含水性孔道的包衣
C. 骨架型缓释制剂
D. 制成溶解度小的酯
E. 制成微囊
下列属于控制溶出为原理的缓控释制剂的方法是()
A. 控制粒子大小
B. 水不溶性包衣膜
C. 亲水凝胶骨架
D. 制成乳剂
E. 制成植入剂
According to speech act theory, an act of expressing the speakers intention is defined as
A. illocutionary act
B. locutionary act
C. perlocutionary act
D. contextual factor
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