不好意思想請問一下對等連接詞左右名詞的單複數一定要相等嗎？

etic events. prep. Athletes spend D. many hours each day practicing skills and improving teamwork under the _ (4) of a coach or a sports instructor. They view videotapes not only to critique their own performances and (5) but also to learn their opponents' tendencies and weaknesses to goin

請問第16、17要怎麼作答

It's widely known that bees are important for our ecosystem and that they are facing increasing threats from modern agricultural practices involving pesticides. What many of us don't know, 16. (is that some industries should shoulder a bigger share of blame than they're given.) The almond industry, for instance, has quite an adverse impact on bee colonies. One potential harm to bee colonies is the stress caused by transporting them over long distances to almond orchards for the task of pollination. This transportation can be stressful for the bees, hence 17. them more vulnerable to diseases and pests. Moreover, since they're 18. having limited food sources aside from almond flowers further weakens bee colonies. Still another problem is the of honeybees to pesticides and other chemicals used in almond production. 19. 20. and One sustainable solution is to make habitats and species within almond orchards more stable. By creating various ecosystems and introducing other insects among almond trees, at least we can ensure enough food supply for bees and even lower the use of pesticides for almond trees in the long run. A 16. (A) therefore (B) however C17. (A) make A (B) made 18. (A) faced with a great increase in demand (C) looked after by beekeepers carefully (B) delivery 19. (A) cultivation 2 (C) in addition (D) for a start (C) making (D) to make (B) raised in their natural environment (D) physically removed from their habitat (C) exposure (D) restriction asant (D) particular

請問第八題。答案應該是在最後一段可以找到 但為什麼要選C？

The battle against aging is nothing new. However, today's treatments promising to than ever are a booming industry. The youth technology ranges make you look younger from at-home creams to painful cosmetic surgeries, implants and acid peels. There are also punished body wraps, massages, diets and exercises that claim to keep your body 41 殿病保健 123

請問第九題： 隨著人口越多，情況只會越來越糟。____ ，我們必須做出某些大改變。 空格答案是換句話說，想問這裡用理論上為什麼不可以？

44 Lesson Four B65. (6. (A) reaction (A) 7. (A) into (B) 8. (A) dies (2) 9. (A) In theory (10. (A) fought ) 5. (A) keeping a; eye (B) taking a; toll (B) composer (B) from (B) dying (B) In vain (B) fighting (D) carrying; through (D) switch (D) with (D) die (C) In the beginning (D) In other words (D) fights (C) fight (C) having; at heart (C) scale (C) upon (C) died ※第三篇 In December 2020, members of Singapore's private 1880 club likely noticed a new item on club restaurant's menu. Specifically, the restaurant became the first place in the world to offer 1 meat. The meat itself was developed in a 2. by a start-up based in San Francisco called Eat J Josh Tetrick, one of Eat Just's founders, expressed great praise 3. Singapore for its careful efficient process for approving cultured meat for sale. Tetrick has made public remarks about how promotion of cultured meat could, in the long run, help 4. the fight against climate cha However, some scientists doubt 5. this is the case. REDMI NOTE 8 PRO TAI QUAD CAMERA formed in Finland found that for some types of meat, such as beef and lamb. cultured form indeed had a far lower impact 6. the environment. Howeyer for oth

選修化部分 ，第二題為何答案是C?

interactions 2. The sodium salt, NaA, of a weak acid is dissolved in water; no other substance is added. Which of these statements (to a close approximation) is true? (A) [H] [A] (B) [A] = [OH] (C) [HA] = [OH] (D) [H] = [OH] (E) none of these 3. Calculate the pH of 0.10 M NH4CN. (Kb for NH3 = 1.8 x 10; K₂ for HCN = 6.2 x 10-¹0)

?在講啥⋯

| 2:47 Is tert-butoxide anion a strong enough base to react significantly with water? In other words, can a solution of potassium tert-butoxide be prepared in water? The pK, of tert-butyl alcohol is approximately 18. CH3 K+ 0-C-CH3 Potassium tert-butoxide CH3 2.47 CH3 H3C-Ç-O K+ + H2O CH3 -- CH₃ H3C-¢-OH + K+ OH CH3 pka 18 weaker acid H3c-9-OH pKa = 15.7 = stronger acid

求詳解謝謝各位🙏

28. Which one of the following will have the greatest number of unpaired electrons ? A. B. C. [Mn(H2O).]2+ (weak field) [Fe(en)3]3+ (strong field) [Ru(NH3).]?* (strong field) (Cr(CI).]*- (weak field) [Fe(en)3]** (strong field) D. E.

85.怎麼算 它的那個積分是不是跟微分一樣有特別公式

Finding a Derivative 1 *x+ 2 x 81. F(x) = (41 + 1) a sin x 83. F(x) = = Fx) | 85. F(x) = | Widt 23 = sin t2 dt 0

答案是C嗎？怎麼算的呢

In each of questions, a function is given. Choose the altemative that is the derivative of the function. 1. f(x) = x* sec(x3) (A) 4x sec(x3) C) 4x sec(x) + 3x sec(x) tan(x3) (B) 4x sec(**) tan(x) (D) 3x6 sec(x) tan(x)

31怎麼微分

+ = x, (0,0) 31. tan(x + y) = x, (2.7 32. x cos y = 1 2 COS Y