問題詳情
30. pH 值時每增加一倍時，氨濃度約增加為幾倍
(A)4
(B)6
(C)8
(D)10。
(A)4
(B)6
(C)8
(D)10。
參考答案
答案：D
難度：簡單0.894737
統計：A(0),B(0),C(2),D(17),E(0)
內容推薦
- (A)dropped (B)fell (C)rolled (D)covered
- EMost people want to know how things are made. They honestly admit, however, that they hard¬ly kn
- COdiand remembers like it was yesterday working in an expensive French restaurant in Denver. The
- The Chinese are proud of the 29'e Olympic Games ________ in Beijing in 200(A)hold (B)hold
- (A)natural (B)common (C)strange (D)bad
- One day, Raul was miles away from the small ranch（牧场）house in a large valley. __36__ seemed to be al
- What is the right order of the steps in the operation?Asend the cooled blood back to the brainBs
- The experiments mentioned in the text show that .(A)good readers seem to enjoy reading(B)almost
- —The boss said we had only three days to finish the work.—Don't worry. We have already _____
- (A)lazily (B)angrily (C)coldly (D)slowly
內容推薦
- Odiand learned one of his life lessons from ______.(A)his experience as a waiter (B)the advice g
- The words "covered in complete darkness" underlined in Paragraph I most probably mean(
- (A)Suddenly (B)Strongly (C)Quickly (D)Hardly
- (A)yet (B)for (C)so (D)or
- At the foot of the mountain(A)a village lie (B)lies a village (C)does a village lie (D)lying a v
- Most people seem to think that a composer _______ .(A)finds it difficult to write music (B)consi
- (A)beating (B)blinding (C)burning (D)touching
- (A)walking (B)leading (C)heading (D)returning
- —Is Jack on duty today?—It ________ be him. It's his turn tomorrow.(A)mustn't (B)won&#
- 一、現今圖書館皆面臨從重視「擁有」（ownership）到重視「通道」（access）的基本觀念變遷，請你就結構、人力、程序與服務等方面討論上述觀念改變對圖書館所造成的影響。（25分）
- (A)them (B)themselves (C)him (D)himself
- (A)nose (B)hair (C)neck (D)head
- (A)shook (B)waved (C)held (D)took
- (A)gone (B)left (C)followed (D)lost
- (A)see (B)meet (C)beat (D)ask
- (A)waited (B)thought (C)worried (D)excited
- 61．From paragraph 4，we know that Ontario Parks offers visitors＿．(A)the world's new sports a
- (A)yard (B)wind (C)grass (D)rain
- According to the text, we can safely say that＿．(A)some visitors suggested more campsites(B)a
- EInstead of hitting the beach，fourteen high school students traded swimming suits for lab coats last
- 1人類誤食何種重金屬汙染的魚貝類會引發痛痛病(A)汞(B)銅(C)鎘(D)鉛。
- (A)believe (B)consider (C)doubt (D)forget
- CJuanito Estrella has been a housekeeping manager on the US-based large passenger ship Carnival Spir
- --Is your headache getting________? --No, it's worse. (A)better (B)bad (C)less (D)w
- It can be inferred from the text that the students in poorer areas ______．(A)had little chan