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问题 选择题

我们把甘蔗折断时发现茎中有许多纤维状结构，它起输导和支持作用属于（　　）

A．输导组织

B．分生组织

C．营养组织

D．保护组织

答案

因为甘蔗茎中的纤维是呈丝状分散排布在薄壁细胞中的维管束，每条维管束都包括韧皮部和木质部，而韧皮部又包括韧皮纤维和筛管、木质部包括木纤维和导管．由于韧皮纤维和木纤维数量很少，所以维管束比较纤细、柔软，不能起支持作用，只起运输作用．因此它们属于输导组织．故A正确．

故选：A

阅读理解

Wanted
FAIRMONT HOTEL
Five Waiters and Ten Waitresses:
—Aged under 22.
—At least high school graduates.
Good-looking men at least 1.72 metres tall and women at least 1.65 metres tall.
—Paid 1.600-2,200 dollars per month.
One Secretary:
—Aged under 30.
—Females only.
—Good at writing and skilled at computer.
—Paid 2,000-3,000 dollars per month.
If you are interested, call 465-4768.
Fax: 6954828
WILSON BOOKSTORE
Accountant(会计):
Aged between 25 and 40.
—With an experience of at least two years.
With a degree and an accountant certificate(证书).
—Paid 3,000-4,000 dollars monthly.
—With a practical knowledge of computer.
Computer Salesclerk:
—Aged 25 or less.
—Basic education of 12 years or more. Good at computer.
Paid 1,800-2,200 dollars monthly.
Tel: 447-4398
Fax: 3485269
 
小题1:If you don’t know how to use a computer, you can work as________.
A．a secretaryB．a waiter or waitress
C．an accountantD．a salesclerk
小题2:If you want to get a job in the Fairmont Hotel, you should be________.
A．a womanB．a university graduate
C．shorter than 1.65 metresD．younger than 30 years old
小题3:If you work as an accountant, how much can you get at most monthly?
A．$ 1, 800.B．$ 2,200.C．$ 3, 000.D．$ 4, 000.
小题4:If you want to be an accountant, you have to satisfy(满足) the following conditions except___________.
A．being a womanB．knowing how to use a computer well
C．an experience of at least 2 yearsD．having an accountant certificate
小题5:Sukan is 24 years old. He can get the job as_______.
A．a secretaryB．a waiter
C．an accountantD．a computer salesclerk
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单项选择题

患者，女，57岁。近3个月来右上腹部不适，经检查诊断为"肝癌"，行肝动脉插管化疗，为防止导管堵塞应（）。

A.持续滴注化疗药

B.化疗后给予生理盐水维持

C.全身性抗凝

D.注药后应用肝素液冲管

E.无须做特殊处理
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