An ESL Learner

An ESL Learner

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2014-12-23 11:03 am

[片尾曲名字] 星期二檔案：公平貿易，良心消費者 / 杯中的

An ESL Learner

回覆: 1

2013-06-04 9:32 am

Interpret the phrase "pushers who are less bound by civil law than are the police who oppose them"?

An ESL Learner

回覆: 1

2013-06-04 8:53 am

Interpret the phrase "pushers who are less bound by civil law than are the police who oppose them"?

An ESL Learner

回覆: 2

2013-05-19 2:08 am

∫3x^3/(x^2 + 1)^3dx 麻煩看看我有無計錯

An ESL Learner

回覆: 2

2013-03-13 6:46 am

If f(x) ≡ f(a - x), prove 2 * ∫(from 0 to a) x * f(x) dx = a * ∫(from 0 to a) f(x) dx?

An ESL Learner

回覆: 2

2012-09-20 3:28 am

(等比數列) 王小姐參加了一個為期十年的投資計劃，每年的第一

An ESL Learner

回覆: 3

2012-07-18 1:08 am

假設 P，P ⇒ Q 及 Q ⇒ R，但同時 ~R。那麼我們

An ESL Learner

回覆: 1

2012-05-01 10:39 am

What does this sentence mean: "Be it a school project or an assignment students are exploring the world throu"?

An ESL Learner

回覆: 4

2012-04-14 5:05 pm

Why there isn't an "a" before the word "girl" in that sentence?

An ESL Learner

回覆: 1

2012-04-05 2:30 am

若 x + z = 0, -y + z = 1 及 3x +

An ESL Learner

回覆: 0

2012-03-28 4:04 pm

Will Amazon notice me to be charged when I use 3G with my Kindle in places outside the US (e.g. Hong Kong)?

An ESL Learner

回覆: 2

2012-02-28 3:07 pm

I don't understand what it means: "... but not so different that it is difficult to learn from."?

An ESL Learner

回覆: 2

2012-02-24 6:40 am

一 6 位正整數，由 2 個不同的非零數字組成，分別佔 2

An ESL Learner

回覆: 2

2012-02-12 7:19 am

"The design makes the dress beautiful." Is this sentence grammatically correct?

An ESL Learner

回覆: 2

2012-01-02 3:02 pm

How to change the default shutdown button in the *WINDOWS LOGON SCREEN* into sleep button?

An ESL Learner

回覆: 3

2012-01-02 12:08 pm

How to change the default shutdown button on the Windows logon screen into sleep button?

An ESL Learner

回覆: 3

2011-12-04 10:54 am

What does "He was so foolish as to lie." mean?

An ESL Learner

回覆: 2

2011-11-09 5:44 pm

求曲線 C: x^2 + 2y^2 = 36 通過 (1,0

An ESL Learner

回覆: 3

2011-11-02 12:39 pm

(derivative) Find the equations of the normal lines to the graph of x^2 + 2y^2 = 36 that pass through point (1?

An ESL Learner

回覆: 2

2011-09-28 12:59 pm

Homework Help (a problem of competitive market, marginal cost, price)?

An ESL Learner

回覆: 5

2011-09-21 12:24 pm

Jane Goodall has received an honorary doctorate from/in Cambridge University?

An ESL Learner

回覆: 3

2011-09-05 5:10 pm

When do we use "of" following an adjective?

An ESL Learner

回覆: 5

2011-09-02 11:26 am

What does "well past dark" mean?

An ESL Learner

回覆: 1

2011-08-28 9:26 am

設 f(x) 為可導函數。已知 f(8) = 6 及 f'(

An ESL Learner

回覆: 1

2011-08-27 9:27 am

求y=[x+(x^2+24)^(1/2)]^(1/3)的導

An ESL Learner

回覆: 3

2011-08-07 12:00 pm

Is there a difference between "Fitness is beauty." and "Being fit is beauty."?

An ESL Learner

回覆: 2

2011-07-04 10:19 am

Is there a method to solve the instability of the connection between a bluetooth keyboard/mouse and a computer?

An ESL Learner

回覆: 1

2011-07-02 4:43 pm

Is there a method to solve the instability of the connection between a bluetooth keyboard/mouse and a computer?

An ESL Learner

回覆: 2

2011-06-08 12:47 pm

Economic problem (about forms of business ownership)?

An ESL Learner

回覆: 2

2011-06-05 5:33 pm

How to prove that f(x) = [|x - 1|/(x - 1)] * (x + 1) is discontinuous by disproving the limit as x approaches?

An ESL Learner

回覆: 2

2011-06-05 5:08 pm

Economic question (about the liability of the shareholders of a limited company)?

An ESL Learner

回覆: 7

2011-05-07 10:44 am

Is it right to write "1.5 meters" and "0.5 meter"?

An ESL Learner

回覆: 4

2011-05-01 10:56 am

Will an increase in demand lead to an increase in supply directly?

An ESL Learner

回覆: 4

2011-02-24 3:38 pm

In this sentence "Apple is red.", what does the word "apple" refer to? Does it refer to "all apples" or "each?

An ESL Learner

回覆: 8

2011-02-02 8:36 am

Does it matter if I talk or write to Europeans in American English, and vice versa?

An ESL Learner

回覆: 4

2011-01-25 4:14 pm

Is it correct to write "drugs-taking friends"? Can we add an "s" after the word "drug" in the noun phrase "d?

An ESL Learner

回覆: 1

2011-01-25 3:22 pm

What is the type of this conditional sentence: "If you cannot change your friend, you may find a so?

An ESL Learner

回覆: 2

2011-01-25 3:12 pm

Can this sentence "You must tell her to leave her friends who take drugs" be changed into "You must tell her t?

An ESL Learner

回覆: 5

2011-01-13 3:48 pm

What is the correct pronunciation of "Laboratory" ?

An ESL Learner

回覆: 3

2011-01-05 2:29 pm

What is the "O" of Ag2O (silver (I) oxide)? Is it an O2-?

An ESL Learner

回覆: 1

2010-10-16 9:11 am

證明對所有正整數 r, k 及 n (其中 n ≥ r) :

An ESL Learner

回覆: 1

2010-10-07 6:41 am

1+2+3+...+n=n(n+1)/2這種數式類型的問題

An ESL Learner

回覆: 2

2010-10-06 2:57 pm

How do we guess some equations like 1^2 + 2^2 + 3^2 + ... + n^2 = [n(n + 1)(2n + 1)]/6 before we prove it?

An ESL Learner

回覆: 4

2010-10-06 11:15 am

What is mathematical inductive hypothesis? Can anyone give me some examples?

An ESL Learner

回覆: 4

2010-09-25 10:55 am

What if a compass is placed at the northernmost place on Earth?

An ESL Learner

回覆: 3

2010-09-06 12:33 am

粒子純粹是理論還是真的存在？

An ESL Learner

回覆: 5

2010-06-01 3:32 pm

Which one is correct? i (imaginary number) > -1, -1 > i or neither? Why?

An ESL Learner

回覆: 2

2010-04-25 7:37 am

Why there is lightning when a volcano is erupting?

An ESL Learner

回覆: 3

2010-04-17 1:48 am

有關 “和” 問題。

An ESL Learner

回覆: 1

2010-03-23 7:11 am

邏輯（三段論證）問題！！！