2.Some persons have traveled into outer space afte ［A］theuniverse［B］Earth’sgravity［C］theearth［D］outerspace
2.Some persons have traveled into outer space afte
［A］the universe［B］Earth’s gravity
［C］the earth［D］outer space
相关考题：
You look(). What () you () ? A、tire, did…doB、tiring, have…doneC、tired, do…doD、tired, have…been doing
And they can ______their passports______，making leaving or “escaping” virtually impossible.A. have…removeB. had…removeC. have…removingD. have…removed
What a waste! Why do you () the water () all the time ? A、have…flowingB、have…flowC、have…to flowD、have…flowed
4、Outer类中定义了一个成员内部类Inner，需要在main（)方法中创建Inner类实例对象，以下四种方式哪一种是正确的？（）A．Inner in = new Inner()B．Inner in = new Outer.Inner();C．Outer.Inner in = new Outer.Inner();D．Outer.Inner in = new Outer().new Inner();
Outer类中定义了一个静态内部类Inner，需要在main（)方法中创建Inner类实例对象，以下四种方式哪一种是正确的？ （）A．Inner in = new Inner();B．Inner in = new Outer.Inner();C．Outer.Inner in = new Outer.Inner();D．Outer.Inner in = new Outer().new Inner()
查看MySQL中支持存储引擎的语句是 。A．SHOW ENGINS; 和 SHOW VARIABLES LIKE 'have%';B．SHOW VARIABLES; 和 SHOW VARIABLES LIKE 'have%';C．SHOW ENGINS; 和 SHOW ENGINS LIKE 'have%';D．SHOW ENGINS; 和 SHOW VARIABLES from 'have%';