問題詳情
5.關於坐標平面上函數y=sinx 的圖形和 
的圖形之交點個數，下列哪一個選項是正確的？
(A) 交點的個數是無窮多
(B) 交點的個數是奇數且大於20
(C) 交點的個數是奇數且小於20
(D) 交點的個數是偶數且大於或等於20
(E) 交點的個數是偶數且小於20
參考答案
無參考答案
內容推薦
- Propose a structure for a compound C5H10O that fit the following 1H-NMR data: δ 0.92 (3H, t, J =
- 【題組】請問:這個民族位於圖二中何處？(A)甲(B)乙(C)丙(D)丁 。
- How many signals are expected in the 13C NMR spectrum of the following compound? (A) 5 (B) 6 (C)
- 令 ，試問下列哪一個選項是對的？(A)a=-1 (B) (C)(D) (E)
- 已知 a, b 為整數且行列式 ，則絕對值 為何？(A) 16 (B) 31 (C) 32 (D) 39 (E) 條件不足，無法確定
- 某水平懸臂樑(cantilevered beam)的端點受到向下的力 P，EI 值為常數，M (x) = -Px，有關撓曲( v(x)分析，下列敘述何者正確？(A)對 進行 2 次積分可得負荷
- 坐標平面上方程式 的圖形與 的圖形共有幾個交點？(A) 1個 (B) 2個 (C) 3個 (D) 4個 (E) 0個
- Given the standard reaction enthalpies for the following reactions:What is △Ho for the reaction:
- 設某沙漠地區某一段時間的溫度函數為f(t)=-t2+10t+11 ，其中1≦ t≦10，則這段時間內該地區的最大溫差為(A) 9 (B) 16 (C) 20 (D) 25 (E) 36
- 試問共有多少個正整數n使得坐標平面上通過點A(-n,0) 與點B(0, 2)的直線亦通過點P(7,k) ，其中k為某一正整數？(A) 2個(B) 4個(C) 6個(D) 8個(E) 無窮多個
內容推薦
- In eukaryotes, what is the active transcription generally associated with?(A) Euchromatin only (
- Which of the following can be used as a cloning vector?(A) E. coli (B) Eco RI (C) lambda phage (
- Which of the following is not true of a codon?(A) It consists of three nucleotides. (B) It may c
- The theory that suggests that eukaryotic organelles such as mitochondria and chloroplasts may ha
- What percentage of the DNA in a typical eukaryotic cell is expressed at any given time?(A) 3-5%
- What hormone is essential for a tadpole to develop into an adult frog?(A) growth hormone (B) ins
- Three kinds of selection occur that cause changes in the normal distribution of phenotypes in a
- In a population that is in Hardy-Weinberg equilibrium, the frequency of the allele a is 0.Wha
- What is the important component retain the violet dye in the Gram-positive bacteria cell wall?(A
- Among the invertebrates, arthropods are unique in possessing(A) a notochord. (B) open circulatio
- Important terrestrial adaptations that evolved exclusively in seed plants include all of the fol
- Which of the following definitions of “Animal” is not true?(A) Animals are multicellular eukaryo
- Transport in plants include all of the following except(A) absorption of water and minerals from
- Antibodies of the different classes IgM, IgG, IgA, IgD and IgE differ from each other in(A) the
- A hummingbird with a beak that is too short to pollinate a flower is an example of(A) behavioral
- Which of the following signal transduction molecules is not bound to the plasma membrane?(A) G p
- Reabsorption of useful components of glomerular filtrate occurs in(A) Bowman’s capsule. (B) prox
- Yeast is a member of which division?(A) Ascomycota (B) Zygomycota (C) Basidiomycota (D) Deuterom
- Which of the following is true?(A) The leaves of both angiosperms and gymnosperms are covered by
- Two animal species live in the same biome but on different continents. Although these two are no
- Which of the following enzymes has the lowest pH optimum?(A) lipase (B) pepsin (C) trypsin (D)su
- Suppose a mutation occurred in Drosophila in the region of DNA that codes for the protein called
- What is the basis for the difference in the synthesis of the leading and lagging strands of DNA
- Which of the following statements about photosynthesis is not true?(A) Photosynthesis is a redox
- The Genetic Code is almost universal, that is, it is the same in all living systems. What is the