問題詳情
18.某有機化合物的分子式為 C4H8O,能和金屬鈉反應放出氫氣,能使 Br2 的 CCl4 溶液褪色,並可經適宜氧化反應後產生酸。下列何者可能為該化合物?
(A) H2C=CHCHOHCH3
(B) CH3CH2COCH3
(C) H2C=CHCH2CH2OH
(D) CH3CH2CH2CHO
(A) H2C=CHCHOHCH3
(B) CH3CH2COCH3
(C) H2C=CHCH2CH2OH
(D) CH3CH2CH2CHO
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(1),D(1),E(0)
內容推薦
- You needn't have tried aromatherapy to understand the therapeutic powers of essential oils. Thesemag
- 【題組】On-line lectures provide students _______ to knowledge that was previously unavailable.(A) ac
- 71 下圖為四種保育類動物的生存曲線,則下列何者的產卵量應較多? (A)甲 (B)乙 (C)丙 (D)丁
- 68 下列何者非固醇類分子?(A)膽固醇 (B)三酸甘油脂 (C)腎上腺皮質素 (D)雌性激素(助孕素)
- 三、何諝尖烽小時因素?其最高值與最低值爲若干? (25分)
- 【題組】(A) improvised (B) supervised (C) familiarized (D) synthesized
- 【題組】_______ comes in many forms, from scratching a name on a wall to an enormous spray-painted mu
- 【題組】Quinine, _______ used to cure malaria, was isolated from the bark of a cinchona.(A) is a fam
- 67 下列有關動物氣體交換的敘述,何者錯誤?(A)昆蟲以氣管系作為氣體交換的構造 (B)魚類的鰓密布微血管,是氣體交換的主要場所 (C)蚯蚓利用肺與皮膚來進行氣體交換,需生活於潮濕的土壤中 (D)兩生
- 【題組】㈡推導⑵式
內容推薦
- 【題組】The procedure did not fully cure the patient of his coronary atherosclerosis, and he is stil
- 【題組】(A) irritant (B) soothing (C) sentimental (D) soft
- 如右圖所示,一物體沿平滑斜面「上滑」,在「上滑」的過程中,下列有關該物體的加速度量值a 和速度量值 v 的變化,何者正確? (A) a 和 v 都不變 (B) a 和 v 都漸變小 (C) a 不
- 69 礦物質對人體正常生理機能的維持十分重要,下列有關礦物質與人體生理機能的配對,何者錯誤?(A)碘-構成甲狀腺素 (B)鈣-組成牙齒與骨骼 (C)鐵-血紅素分子的組成分 (D)鎂-參與肌肉收縮與血液
- 【題組】_______ been diverted, they would have arrived early.(A) Had the plane not (B) Hasn't the pl
- 二、語法與用法 (11~20 題,選出最適當的選項)【題組】John has a large collection of stamps, _______ I've never seen bef
- 【題組】(A) cleave (B) remove (C) destroy (D) cleanse
- 【題組】In some cases, heart diseases are compounded by high fat diets and low levels of activity.(A)
- 【題組】Future applications of nanotechnology could include tiny molecular robots that _______.(A) i
- 【題組】She offered neither an excuse nor _______ for her behavior.(A) to apologize (B) apologized (
- 【題組】(A) inhaled (B) dismissed (C) vomited (D) inhibited
- 三、短文填空 (21~30 題,選出最適當的選項) The cardiovascular system 21 the heart, blood vessels, and blood. From th
- 【題組】(A) between (B) alongside (C) next (D) together
- 四、閱讀測驗 (31~50 題,根據文章內容選出最適當的選項)Passage #1 Up until now, the U.S. insurance industry has achieved gro
- 【題組】The company hopes to _____ the new drug by next October.(A) launch (B) undergo (C) confine (D
- 【題組】The merger between the two companies caused more _____.(A) lay-ons (B) lay-offs (C) lay-downs
- 【題組】What contributes to the observation of the growing number of Alzheimer's disease nowadays?(A)
- 【題組】Iris, Cirque du Soleil’s new show, is a _____ to the world and the history of cinema.(A) trib
- 【題組】Which of the following is NOT a strength of the U.S. insurance industry?(A) Its technological
- 【題組】What does the article imply about the practice of re-using towels?(A) It's a useless marketin
- 二、片語(11~15 題,請選擇最適當的選項 請選擇最適當的選項。)【題組】_____ we have satisfied you, you have no further grounds of
- 【題組】As a security guard, my brother’s job is to give careful _____ to people carrying large bags,
- 【題組】What is the writer's view on competitiveness in the U.S. insurance industry?(A) There is too
- 下列何者不是「短跑」常犯的錯誤:(A)高速跑時身體後仰 (B)終點壓線時有跳的動作 (C)起跑第一步的步幅較小 (D)起跑時雙腿蹬推力不足,身體立即挺起
- 三、語法與用法(16~20 題,請選擇最適當的選項 請選擇最適當的選項。)【題組】_____, you will find that people respect you more.(A) If