【简答题】在交流电路中,电源电压为8V,电阻R=8Ω,X=8Ω,则电路中的电流为_________A,功率因数为_________。
【简答题】根据火灾的危害程度和危害后果,火灾隐患如何分类?
【单选题】假设有个类已经定义了下述的变量: int num1 = 10; int num2 = 20; String word = new String("exam"); double answer = 25.5; 另外定义了下列方法头: public int stuff(String s, int x, int y) 以下哪个是正确的方法调用:
A.
num1 = stuff("hello", num1, num2);
B.
answer = stuff(word, answer, num2);
C.
num2 = stuff("hello",num1,answer);
D.
num1 = stuff(num1,num2,answer);
【简答题】在交流电路中,电源电压为8V,电阻R=8Ω,X=8Ω,则电路中的电流为_________A,功率因数为_________。
【简答题】形成()不仅可以增强酶稳定性,而且还可以提高反应效率。
【单选题】听力原文:W: After I've finished reading this book, I can lend it to you if you are interested. M: If I'm interested! I've been trying to borrow it everywhere. Q: What does the man mean? (18)
A.
He is interested in reading.
B.
He'd like to read the book very much.
C.
He has already read the book.
D.
He feels sorry that the woman doesn't know him very well.
【简答题】在交流电路中,电源电压为8V,电阻R=8Ω,X=8Ω,则电路中的电流为_________A,功率因数为_________。
【简答题】急性腹膜炎局部主要体征为 _ 、 _ 和 _ 。
【判断题】在下列物理文件中,顺序文件能使文件的访问速度最快;隐式链接文件最不合适对文件进行随机访问;直接文件能直接将记录键值转换成为物理地址。