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• 20. 如圖(八),長方形ABCD中,M、N兩點分別是 的中點,且長方形AMND分成甲、乙兩長方形,長方形MBCN分成丙、丁兩長方形。若面積比甲:乙=7:3,丙:丁=5:9,則乙:丙=?(A)1 :
• (25~27)【題組】25. __________ is a result of losing an hour of sleep while _________ is a result of slee
• 20.Rank the following species in order of increasing polarity of the carbon-metal bond (lest®most po
• 19.Which (if any) of the following would not be classified as an organometallic substance?(A)Triethy
• 44. Which of the following dissolved in water to form acid rain?(A) H2SO4 (B) HCl(g) (C) NO2(g)(D) C
• 12. (A) (B) (C) (D) (E)
• 33. 圖(十五)為一個四邊形 ABCD，其中 與 交於E點，且兩灰色區域的面積相等。若 = 11， = 10，則下列關係何者正確？ (A)∠DAE ＜ ∠BCE(B)∠DAE＞∠BCE(C) (D
• 【題組】26. Kids who sleep better might go to bed the same time each night, while kids who havesleeping
• 47. Which structure best fits compound Y produced by the following series of reactions starting with
• 【題組】27. An opinion is someone’s personal idea that shows his or her thoughts. A fact is a statementt
• 21.How many electrons in an atom can have of the following quantum number or sublevel designations?(
• 22.Of the following sets of four quantum numbers, identify the ones that can exist for an electron i
• 23.How many valence electrons in an element can have for each of the following species? (choosing th
• 24.Which of the following statements is not correct?(A)According to the VSEPR theory, the I3-molecul
• 22. 有兩多項式A=x2(2x-3)(5x+6),B=(5x+6)2(4x2-9)。關於A、B兩多項式,下列敘述何者正確?(A)x(5x+6)為A、B的公因式(B)(2x-3)(5x+6)為AB的公
• 25.Suppose the hypothetical set of quantum numbers: then which of the following statements is not co
• 22. 珠珠家共有九人，已知今年這九人歲數的眾數、平均數、中位數、四分位距均為20，則關於3年後這九人歲數的統計量，下列敘述何者錯誤？(A)眾數是23(B)平均數是23(C)中位數是23(D)四分位距
• 23. 如圖(九),G為△ABC的重心,M、N兩點分別在 上 ,且 。若 =4, =3,∠B=90°,則長方形MBNG的面積為何?(A)2(B)3(C)3/4(D)4/3
• 28.Which of the following statements is correct?(A)A structure with two chiral centers will always g
• 27.Diastereomers have the same(A)melting point. (B)reaction rate toward optically active reagent. (C
• 30.Of the following sets of four quantum numbers, identify the ones that can exist for an electron i
• 26.Arrange in decreasing order of stability of the following four isomers.(I)cis-1-chloro-2-methylcy
• 32.Which of the following statements correctly describes an achiral molecule?(A)The molecule has a n
• 21. 若a、b兩數滿則102a+1 = 1000b-1 = 1000000000，則a+b=?(A)8(B)15(C)25/2(D)43/6
• 34.According to the VSEPR theory, which of the following statements is correct?(A) The expected geom