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Chakon
英文知識交流--Gerunds&To-infinitives
1.He is so weird.He always pretend _________(be) someone else.
2.Mary ______(pass,fail) the exam.
3.Peter _______(choose,use) this book instead of that one.
4.He ________(speak,learn) English when he was in primary school.
4 個解答語言9 年前經濟知識交流--Source of Econ Problem
1.Wants refers to our ____ for goods and services.
2.The source of all econ problem is _____which is a ______ _______.As that
we____is always more than what we have,we face the ______ __ ______.
3.Econ aim at study __linited resources can be ___ to satisfy unlimited wants.
1 個解答其他 - 商業及金融9 年前好書推介---奇幻、科幻、冒險小說
不知道有甚麽好看的書推介,多多益善
主要是一些奇幻、科幻、冒險小說
除了我看過的:
---哈利波特系列
---魔戒
---納尼亞傳奇系列
---巡者系列
---雪舞者
---古國迷蹤系列
---盜墓筆記系列
--- 一九八七
---地海巫師
---蠻王科南
2 個解答詩詞9 年前數學知識交流(5)
1.There are y apple in a box.The weight of the box of apples is 6060 g.It is given that the box weights 300g when it is is empty.If each apple weights 160g,find the value of y.
2.N is a 3-digit number.It is given that N=970+a,where a is an integer between 0 and 9.
(a) If the order of the first and the third digits of the number is reversed to form a new 3-digit number,find its new value in terms of a.
(b) Hence,find the difference between the two 3-digit numbers in terms of a.
(c) Hence,find the value of a if the difference between the two 3-dight numbers
is 594.
3.Given A=1/2(a+b)h.If A=48,b=12 and h=6,find the value of a.
4.Peter has $k and he spends half of his money to buy a toy car.David has $10 fewer than four times the money that Peter has.If David spends all his money to buy the toy car,how many toy cars can David buy?
A. (2k-20)÷k
B. (4k-10)÷k
C. (4k-20)÷k
D. (8k-20)÷k
5.Expand and simplify the following expressions.
(a) 4(a+2b-5)
(b) (a-b)(a-2b)(a-ab+b)
2 個解答數學10 年前數學知識交流(4)
1.Consider the sequence
6,13,21,30,a,b,c
Find the value of a,b,c.
2.There are x male rabbits and x female rabbits in a farm.Each female rabbit forms a family with one and only one male rabbit.Each family gives birth to a rabbit in a year.If there are 84 rabbits in farm the nest year,what is the value of
x?
3.Simplify the following expressions.
(a) 6-5×a-3a
(b) -8+4a ÷2a-3a
(c) (4a-7b-6)-(5a-4b+9)
2 個解答數學10 年前