有一车祸患者，在事故中伤及腹部，被送到急诊室，行腹腔穿刺时抽_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

有一车祸患者，在事故中伤及腹部，被送到急诊室，行腹腔穿刺时抽出不凝固血液，应考虑为

A．腹膜后血肿

B．实质脏器破裂

C．空腔脏器破裂

D．前腹壁血肿

E．误入血管

答案

参考答案：B

解答题

已知命题p：∀x∈R，x²-a≥0，命题q：∃x∈R，x²+2ax+2-a=0，命题“p或q”为假，求实数a的取值范围．

补全对话，情景问答

补全对话。（其中两项多余）

A. I think it's cool.
B. What can't you stand?
C. I like the belt, too.
D. No,but I don't mind it.
E. What do you think of the belt?
F. I think they're ugly.
G. I like the wallet, too.

A: Jack, can I ask you some questions about fashion?
B: Sure.
A: __1__
B: The belt? I love it very much.
A: Do you like the watch?
B:___2__ I like the wallet.
A: You do, too? __3__ What about the sunglasses?   __4___
B: For me, they're beautiful. I enjoy wearing them on sunny days.
A:  __5___
B: The scarf. I think the scarf is for girls.
1.               2.             3.                        4.               5.