【判断题】空树是指结点数为0,最小的树是指只有一个根结点的树。
【多选题】产品可以根据其耐用性和是否有形而分为( )
【单选题】力可以合成,也可以分解,请问当两个共点力 F 和 P 合成时,它们的合力大小与 F 或 P 的大小相比较,其结论是( )。
【单选题】患儿,男,4 岁。水肿,尿少一个月。查体:全身水肿明显,血压 90/50mmHg,尿蛋白(+++),红细胞 1~2 个/HP。目前患儿最主要的护理问题是:
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
Ask someone to help the man.
B.
Give the man the note for his reference.
C.
Lend the man her pencil and paper.
D.
Feel sorry that she can't help the man.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
The man's appointment has been put off.
B.
The man has to fill in some forms.
C.
The man is sure to return tomorrow.
D.
The man is not ready for his appointment.
【多选题】产品可以根据其耐用性和是否有形进行分类大致可分为