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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】统治地球长达一百万年的恐龙，身材不可谓不伟岸，但因适应不了生态环境的变化而灭绝，留下了遍布地球的巨大化石。而身材较小却更敏捷，发展了潜行捕食、樊缘、游泳等技能的其他动物如狮、虎、豹则更能适应变化了的环境，因而生存了下来。上文主要支持了哪个观点( )
A.
恐龙的灭绝是因为适应不了生态环境的变化
B.
身材较小却更敏捷的动物能够生存下来是因为适应了生态环境的变化
C.
动物界在生态环境中适者生存
D.
身材伟岸的动物往往不易适应生态环境的变化，身材较小却更敏捷的动物往往能适应生态环境的变化
【单选题】A Small Event One afternoon in January 1989, Suzan Sharp, 43, and her 8-year-old son, David ,were walking hard across an icy parking lot, when Suzan’’s cane (手杖)slid on the ice . She 【51】 face fist in...
A.
So
B.
But
C.
For
D.
And
【单选题】While still in its early stages, welfare reform has already been judged a great success in many states, at least in getting people off welfare. It’s estimated that more than 2 million people have left...
A.
believes the reform has reduced the government’s burden
B.
insists that welfare reform is doing little good for the poor
C.
is overenthusiastic about the success of welfare reform
D.
considers welfare reform to be fundamentally successful
【单选题】有以下类定义 class MyClass { private： int id； char gender； char*phone； public： MyClass()：id(0)，gender(’’#’’)，phone(NULL){} MyClass(int no,char ge=’’#’’，char*ph=NULL) {id＝no；gender=ge；phone=ph；} }； 下列类对象定义语句...
A.
MyClass myObj；
B.
MyClass myObj(11，"13301111155")；
C.
MyClass myObj(12，’m’)；
D.
MyClass myObj(12)；
【单选题】Questions 23-30 Word Tips You will hear a talk between a young employee and a senior cashier of a firm. You have to complete the sentences 23-30 by choosing the correct answer. Mark one letter A, B or...
A.
a cheap day return mid-week
B.
a longer course than expected
C.
a car breakdown