問題詳情
22.取A品系的菸草鑲嵌病毒（TMV）的RNA和B品系的菸草鑲嵌病毒的蛋白質組合成新品系的TMV，隨之感染菸草葉，則所新形成的TMV應為下列哪一種組合？
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
參考答案
答案：B
難度：困難0.2
統計：A(2),B(1),C(0),D(1),E(0)
內容推薦
- As we had a small budget, we chose to stay in a ____. (A)zone (B)palace (C)trend (D)hostel
- (A) land(B) landed(C) landing(D) being landed
- “Dead as doornail” can be used to express that ______.(A) the doornail can be used for a lo
- ______ you practice writing, _____ you can express yourself.(A)The much;the more fluent (B)The m
- More and more ice is melting in the Arctic ____ global warming.(A)apart from (B)instead of (C)tha
- (A) more helpful (B) much helpful(C) as more help(D) as helpful
- V. Reading Comprehension 10% (@ 2%)Have you ever tried to use a word to mean something that is
- Sandy prepared hard for her monthly exams lest she _____. (A)to flunk (B)should flunk (C)be flun
- My father told me that my ____ were farmers from China. (A)valentines (B)foundations (C)products
- (A) pay off(B) back up(C) set up (D) cover up
內容推薦
- (A) possibly(B) unlike(C) improper(D) likely
- Sadly, the artist’s work was only ____ after his death. (A)appreciated (B)aroused (C)affected (D)
- The talented linguist is _____ several foreign languages in addition to his mother tongue.(A)fam
- Before using the doorbells, people used the door locks when ______.(A) the door was worn ou
- II. Grammar（10%）The elderly veteran ended up _____ his memory of many important battles he parti
- _____ of his ill luck, the worker remains cheerful and optimistic. (A)Instead (B)Despite (C)In s
- Exercising is ____ for a fit and healthy life. (A)essential (B)digital (C)competitive (D)temporar
- “Dead as a doornail” firstly described ______.(A) the “dead” sound a worn-out lock gave off
- All the passengers have boarded, but the plane _____ take off. (A)hasn’t yet to (B)hadn’t (C)has
- III. Cloze Test（20%） Obesity results mainly from eating excessively. It makes people look fat from
- Lucy was chatting on the phone. ____, Peter was taking a shower.(A)Meanwhile (B)Temporarily (C)Ev
- It is time for Betty _____. It is already 11 o’clock in the morning. (A)to get up (B)getting up
- (A) in (B) for(C) on(D) to
- (A) maintain(B) maintained(C) maintains(D) maintaining
- (A) Take up(B) Keep off(C) Opposed to(D) Familiar to
- (A) number(B) numbers(C) amount(D) amounts
- (A) should start(B) should be starting (C) should have started(D) should be started
- (A) a number of(B) the number of(C) an amount of(D) the amount of
- 題組 利用右圖為各陸域生態系的年平均溫度與年平均降雨量的情形，回答下列5題：根系深且廣，且地下部分重量大於地上部分的生態系為(A) A (B) B (C) C (D) D
- (A) plus; are wandering(B) as well as; wandering(C) as well as; wander(D) along with; have w
- 那一組試劑最適合用來進行下列的反應？ (A) LiAlH4, ether (B) BH3∙SMe2, THF (C) NaBH4, ethanol (D) Al(OiPr)3, iPrOH
- We can infer that people in Saudi Arabia ________.(A) might chat over several cups of coffee
- She is a boring actress. She always reads her lines without any ____.(A)emotions (B)moments(C)in
- (A) ticking(B) running out(C) wasting(D) taking up
- (A) as more green(B) if more green(C) the more green(D) the greener