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【单选题】
填入中文横线上的标点正确的一项是( ) 最近,”中国式过马路”一词在网络上迅速蹿红,引发了人们热议和思考。网友口中的”中国式过马路”等交通违规现象在我市怎样_____原因何在_____又该如何根治这一现象?A.
？？
B.
，，
C.
，？
D.
？，
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举一反三
【单选题】Read the following analytical paragraphs, and decide which method is used to develop each paragraph. Fill in the black with A, B, C, D or E.
A.
classification
B.
compare and contrast
C.
process analysis
D.
cause and effect
E.
problem and solution1. Eating in is often regarded as a good method of saving time, energy and money, but this may not necessarily be so. The cost of eating in, in terms of groceries needed for nutritious yet appealing meals, is on the rise; whereas, the cost of an economical, yet balanced meal out-on-the-town has risen very little over the past few years.
【简答题】已知函数 f(x)= . 1 -1 2 x 4 x . 的反函数为f -1 （x），则f -1 （12）=______．
【简答题】Online programs to fight depression are already commercially available. While they sound efficient cost-saving, a recent study reports that they are not effective, primarily because depressed patients...
【单选题】Passage Two Questions 51 to 55 are based on the followingpassage . Online programs to fight depression are alreadycommercially available . While they sound efficient and cost-saving, a recent study re...
A.
Patients may not be able to carry them through for effective cure.
B.
Patients cannot engage with them without the use of a computer.
C.
They can save patients trouble visiting physicians.
D.
They have been well received by a lot of patients.
【简答题】DIY repairs are nothing new; they are a part of the American culture. For some, it's about saving money, for others it's the pride of actually 1 a job without any professional help. Cost is the big fa...
【简答题】已知函数f（x）= 2 x -1 2 x +1 ，则f（x）的反函数f -1 （x）的解析式______．
【简答题】已知函数f(x)由下表定义： x -2 2 1 3 4 f(x) 0 1 3 4 5 记f(x)的反函数为f -1 (x)，则f -1 (4)=（ ）。
【简答题】870÷15=
【简答题】Questions 51 to 55 are based on the following passage Online programs to fight depression are already commercially available. While they sound efficient cost-saving, a recent study reports that they a...
【简答题】铝广泛应用于化学工业和日常生活中。工业上由铝土矿(Al 2 O 3 ·3H 2 O的含量约为85%,其余主要为SiO 2 、Fe 2 O 3 等)冶炼金属铝的流程如下。 已知拜耳法生产Al 2 O 3 ·3H 2 O的基本原理为: Al 2 O 3 ·3H 2 O+2NaOH(aq) 2NaAlO 2 (aq)+4H 2 O,[Al 2 O 3 ·3H 2 O也可表示为2Al(OH) 3 ] (1...
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