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【单选题】
某雨伞公司预计下个月收益率,该公司得到消息下个月经常下雨的概率为10%,其预计收益率为30%,几乎不下雨的概率为20%,其预计收益率为10%,正常下雨的概率为70%,其预计收益率为15%,求该公司下个月的期望收益率为( )。A.
15.5%
B.
20%
C.
30%
D.
25.5%
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反馈参考答案：
举一反三
【单选题】患者男,50岁。诊断为膀胱结石,行碎石术后,护士发现膀胱冲洗液颜色较红,正确的处理是
A.
立即送手术室
B.
尽快输新鲜血
C.
用冰盐水冲洗
D.
加快冲洗速度
E.
手动高压冲洗
【单选题】43. I’ll look into
the matter as soon as possible. Just have a little_______.
A.
wait
B.
time
C.
patience
D.
rest
【单选题】—The T-shirt I received is not the same as is shown online. —______? But I promise you we’ll look into it right away.
A.
Who says
B.
How come
C.
What for
D.
Why worry
【单选题】听力原文：M: I can' t find the key to my car, I need to go for a drive. W: I'll look for it later. Right now I want you to help fix the shelf before I paint it. Q: What will they do first? (13)
A.
Look for the key.
B.
Repair the car.
C.
Fix a shelf.
D.
Paint a shelf.
【单选题】I just can’t figure out the meaning of the word---so I’ll have to ___ the dictionary.
A.
look up
B.
go over
C.
check in
D.
refer to
【单选题】Heatiler：Look，I‘ve got a problem here．Will you help me?Rebecca：，but I‘ll try．
A.
No，I won，t
B.
I'm really willing to
C.
Yes，I，m glad
D.
I'm not sure if I can
【简答题】腭扁桃体的血供丰富，主要来自_________、_________、_________、_________、_________，均为_________的分支。
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