多跨静定梁的附属部分是指需要依赖（）才能保持其几何不变性的部分。
A.静定梁
B.超静定梁
C.基本*部分
D.完整部分
参考答案：C
单词拼写
1. -Who is the girl with long curly hair?
-Oh, she is Sally. She is a f__________ girl.
2. Look at the s__________, sir. The white shirt is larger than the yellow one.
3. He wanted to be the first boy to climb the hill, and he s__________ in the end.
4. The children all have different __________(性格).
5. My __________(助手) will call you and discuss this problem.
血钠为110～115mmol/L时()血钠为125～135mmol/L者()
A．输入3%氯化钠
B．输入9%氯化钠
C．二者均有
D．二者均无
