example of a deductive argument?
A: There are 25 CDs on the top shelf of my bookcase and 14 on the
lower shelf. There are no other CDs in my bookcase. Therefore, there
are 39 CDs in my bookcase.
举一反三
- (3) A. myself B. my shelf A: myself B: my shelf
- Every semester after final exams are over, I'm faced with the problem of what to do with books of lecture notes. They might be useful someday, but they just keep piling up on my bookcase. Based on the context, what is the given information, A, B, C, or D?（ ）。 A: They, they B: lecture notes C: bookcase D: books
- A: We each have our own desk and dresser, but we'll have to share the bookcase and the closet. B: ______. A: What I don't want to share anything. I'd like my own bookcase and closet. B: Have you got any other furniture C: Fine. Let's not forget to make a second copy of the room key. D: Someone must have taken the bookcase and closet away.
- He found several useful books in my bookcase.
- Which of the following italicized parts serves as a complement?______ A: My<br/>parents always make me (do<br/>my homework) before I go out. B: My<br/>goal is (to<br/>provide humans with a life of high quality). C: Your<br/>father has at last decided (to<br/>stop smoking). D: I<br/>find it impossible (to<br/>change her idea).
内容
- 0
下列只溶于王水的是(<br/>)。 A: ZnS B: CuS C: CdS D: HgS
- 1
In the following groups of sulfides, the group where the sulfides are<br/>essentially the same color is ( ) A: PbS, Bi2S3,<br/>CuS B: Ag2S,<br/>HgS, SnS C: CdS, As2S3,<br/>MnS <br/>D<br/>.ZnS, MnS, SbS
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与传统的定期存单相比，大额可转让定期存单具有（ ）特点。 A: CDs不记名 B: CDs可流通转让 C: CDs可提前支取 D: CDs一般面额固定且较大 E: CDs利率固定
- 3
根据太阳能电池的结构,属于异质结太阳能的是()? A: CdS/CdTe B: CdS C: CdS/CuInSe2 D: CdTe
- 4
【单选题】在含有 Pb 2 + 和 Cd 2 + 的溶液中,通入 H 2 S ,生成 PbS 和 CdS 沉淀时,溶液中 c (Pb 2 + )/ c (Cd 2 + ) 的值为 () A. K (PbS) . K (CdS) B. K (CdS)/ K (PbS) C. K (PbS)/ K (CdS) D. [ K PbS] · K (CdS)] 1 / 2 A. K (PbS) . K (CdS) B. K (CdS)/ K (PbS) C. K (PbS)/ K (CdS) D. [ K PbS] · K (CdS)] 1 / 2