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问题 选择题

美国有一妇女长了一颗重达782公斤的南瓜，该南瓜能长到如此大的主要原因是

A．吸收了水和无机盐

B．吸收了水和二氧化碳

C．吸收了水和有机物

D．吸收了氧气和有机物

答案

答案：B

解：绿色植物由根吸收来的水，99%以上的水都通过蒸腾作用以水蒸气的形式从叶片的气孔散发到大气中去了，只有约1%被植物体利用，用于细胞的构建以及光合作用的原料．光合作用是绿色植物把二氧化碳和水合成有机物，释放氧气，同时把光能转变成化学能储存在合成的有机物中的过程．由题意可知，南瓜能长到如此大的主要原因是通过光合作用制造的有机物的积累，而光合作用的原料是大气中的二氧化碳和土壤中的水．

故选：B．

填空题

用三个5和两个0组成的五位数中，读出两个零的数是______，一个零也不读的数是______．
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单项选择题

Questions 176-180 refer to the following contract.


Salaried Contract
Dr. Balignant, MD, FRCPC, Specialist
Offered from Saint Lewis Hospital


1. Position

: Specialist

2. Start Date

: As soon as possible as mutuallv agreed upon between yourself and Saint Lewis Hospital.

3. Location

: Saint Lewis Hospital or any other such location to which you may be assigned from time to time.

4. Initially reporting to

: none

5. Compensation

: Your initial satary will be $115.38 per hour ($225,000.00 annually based on 1950 hours worked payable bi-weekly, less statutory deductions.

6. Benefits

: You will be eligible to participate in Saint Lewis Hospital Health Benefit Plan on the first month following 3 months of service as per hospital policy set.

7. Vacation

: You will be eligible for 20 days vacation per calendar year in accordance with hospital policy, accrued at the rate of 1.66 per month of active employment.

8. Pre-Placement Health review

: The offer of employment is also conditional upon positive completion of a pre-placement health review within 14 days of your starting date.

9. Termination

: Saint Hospital has the right to terminate this agreement with cause for but not limited to at anytime without notice and without pay in lieu of notice if you have misrepresented to Saint Hospital any of the information referred to in this offer of employment, or, if you at anytime engage in any illegal or improper conduct in the course.

10. Entire Agreement

: This letter supersedes any and all other agreements, either oral or in writing, between Saint Lewis Hospital and you. No change to this letter will be valid unless in writing and signed by St. Lewis Hospital and you. This agreement wilt be governed by and construed in accordance with the laws of the province of Quebec.

11. Certification and Licensing

: This offer is conditional upon receiving fellowship and any licensing registration and certification required to practice in the province of Quebec.

12. Moving Expenses

: Saint Lewis Hospital will reimburse you up to $ 5,000 for relocation costs. Receipts must be submitted for payment.

What is the main function of this

A. An agreement between employer and employee
B. An contract between a hospital and a patient
C. A regulation for all employees in Saint Lewis Hospital
D. A certification of diploma of MD
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