举一反三
- 关于图示多点控制线路,以下说法正确的是()。a0b50a22c97a19b430a682a17320f762.jpg
- 以下正反转控制电路中,要将正转控制改为反转控制,首先应按下()按钮。 A: SB B: SB C: SB
- 一封闭热力学系统经历一绝热过程从状态A变化到状态B,对应的熵函数为SA和SB,则以下说法正确的是: A: SB不小于SA; B: SB可能小于SA; C: SB一定等于SA; D: SB一定大于SA。
- 5、下列程序的运行结果是()。public static void main( String[] args ){StringBuffer sb = new StringBuffer();sb.append("qq").append("ww");show( sb, "ss" );System.out.println( sb.length() );}public void show( StringBuffer sb, String str ){sb.append( str );} A: 4 B: 2 C: 6 D: 0
- “量体温”的正确英文表述是( ). A: get sb’s temperature B: have sb’s temperature C: take sb’s temperature D: measure sb’s temperature
内容
- 0
填入适当的介词 deprive sb ________ sth rob sb _______ sth remind sb _______ sth notify sb _______ sth accuse sb ________ sth
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以下关于“我很荣幸地代表某某向来自某地方的某人表示热烈的欢迎。”的英语表述,正确的是 A: On behalf of sb, I have the honor to express warm welcome to sb from sp. B: On behalf of sb, I I feel greatly honored to expresswarm welcome to sb from sp. C: On behalf of sb, I have the honorto extend warm welcome to sb from sp. D: On behalf of sb, I feel greatly honored to extend warm welcome to sb from sp.
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呼吸性碱中毒中() A: AB>SB B: AB<SB C: A D: SB均正常 E: A F: SB均低于正常 G: A H: SB均高于正常
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分析下面的Java程序段,编译运行后的输出结果是( )。public class Test {public void changeString(StringBuffer sb) {sb.append("stringbuffer2");}public static void main(String[] args) {Test a = new Test();StringBuffer sb = new StringBuffer("stringbuffer1");a.changeString(sb);System.out.println("sb = " + sb);}} A: sb = stringbuffer2stringbuffer1 B: sb = stringbuffer1 C: sb = stringbuffer2 D: sb = stringbuffer1stringbuffer2
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急性呼吸性酸中毒时,AB和SB变化特征为: A: AB(实际碳酸氢盐)升高 B: SB(标准碳酸氢盐)升高 C: AB<SB D: AB>SB E: AB↓、SB↓、AB=SB