var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1) The passage implies that in the future";
choices[0] = new Array();
choices[0][0] = "the ease of travel will diminish.";
choices[0][1] = "small farms will disappear.";
choices[0][2] = "hydrogen will be the best substitute for gasoline.";
choices[0][3] = "agricultural yields will continue to increase.";
answers[0] = choices[0][0];

questions[1] = "2) The aim of the passage is to";
choices[1] = new Array();
choices[1][0] = "describe realistic alternatives to fossil fuels.";
choices[1][1] = "criticize scientists who are pessimistic.";
choices[1][2] = "highlight the seriousness of the situation.";
choices[1][3] = "outline a pain-free transition to a new era.";
answers[1] = choices[1][2];

questions[2] = "3) According to the passage, all the current alternatives to gasoline ";
choices[2] = new Array();
choices[2][0] = "can supply more energy.";
choices[2][1] = "will be much better for the environment.";
choices[2][2] = "are less convenient.";
choices[2][3] = "will have an adverse impact on agriculture.";
answers[2] = choices[2][2];

questions[3] = "4) According to Walter Youngquist, our most important step will be to ";
choices[3] = new Array();
choices[3][0] = "reduce the birth rate globally.";
choices[3][1] = "boost agricultural yields.";
choices[3][2] = "find new synthetic fertilizers.";
choices[3][3] = "protect our fossil fuel reserves. ";
answers[3] = choices[3][0];

questions[4] = "5) The passage states that the general population";
choices[4] = new Array();
choices[4][0] = "consume more than they really need.";
choices[4][1] = "assume that things will continue to get better.";
choices[4][2] = "are becoming increasingly concerned about the future.";
choices[4][3] = "do not realize that fossil fuels supplies are being depleted. ";
answers[4] = choices[4][1];

// response for getting 100%
response[0] = "How about applying for a job at Michigan?";
// response for getting 90% or more
response[1] = "Excellent."
// response for getting 70% or more
response[2] = "Well done. You are comfortably over the pass mark.";
// response for getting over 50%
response[3] = "You should do a little more revision before the exam.";
// response for getting 40% or more
response[4] = "More work needs to be done to make the grade.";
// response for getting 20% or more
response[5] = "Don't give up. The grammar isn't too difficult to learn.";
// response for getting 10% or more
response[6] = "Oops!";
// response for getting 9% or less
response[7] = "Oops!";