()是木材运输管理的核心问题,也是木材运输检查的主要凭据。A.木材运输证 B.采伐证

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问题:

()是木材运输管理的核心问题,也是木材运输检查的主要凭据。

A.木材运输证

B.采伐证

C.林权证

D.经营许可证

考点:林学森林经理学森林经理学题库
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需制备10ml抗血清,应选择何种动物()

A.家兔

B.小白鼠

C.马

D.绵羊

E.猴

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下图是某白化病家族的遗传系谱,请推测Ⅱ2与Ⅱ3这对夫妇生白化病女孩的概率是

[ ]

A.1/36

B.1/4

C.1/18

D.1/9

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在"后人乃不归咎于己见之未至,而归咎于立法之大贤,可谓溺井怨伯益,失火怨燧人矣"中,作者的言外之意是:()

A.仲景之错

B.后人之错

C.伯益之错

D.燧人之错

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Section B

Hi Colin,

Glad to hear that you are going to have so many adventures in Africa. To make your trip more enjoyable, you should take some necessary things with you. You’ll need strong boots because you are going to  53  a lot.  54  is also necessary in case the weather is bad on Mount Kilimanjaro. A towel is also needed because you will get  55  when you go white-water rafting.

56  very important, too. You must take your tent, sleeping bags and so on. Also take a map of all the places  57  you will visit and a  58  so you don’t get lost. You will take some food and you’ll probably find water. Take care  59 , as you will need to take your water purifying tablets and place them in a pan when you boil the water. And remember to take a pocket knife to cut food or anything else when  60 .

Best wishes,

Jennifer

53. A. run                  B. ride                 C. drive               D. walk

54. A. A parka               B.A raincoat            C. An umbrella         D. A life jacket

55. A. hot                         B. excited              C. wet                D. cold

56. A. An equipment is                              B. Equipments are  

C. Equipment is                              D. The equipments are

57. A. where               B. that                 C. when              D. in which

58. A. compass              B. watch                C. candle                D. box of matches

59. A. although             B. though                     C. however            D. yet

60. A. needed                      B. cut                        C. asked               D. required

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筛管中液流流动是由于输导系统两端的衬质势差而引起的。

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