昼夜节律是由于地球的______所造成的太阳高度角的变化,而使能量输入成为一种周期性

题型:填空题

问题:

昼夜节律是由于地球的______所造成的太阳高度角的变化,而使能量输入成为一种周期性变化。

考点:专升本考试生态学基础专升本生态学基础
题型:填空题

第II卷 (两部分 共35分)

第一部分:

根据下列各句句意及所给单词的首字母或汉语提示,写出所缺单词的正确形式。(每小题1分,共10分)

A crowd __________ (聚集) to see what had happened.

We apologize for the late __________ (到达) of the train.

He is very __________ (精力充沛的) and even stays up quite late at night.

There are many types of wild __________(蘑菇) and some are poisonous.

Every day we should have our food __________ (平衡) to keep healthy.

After the accident, he has lost his b__________ in God.

July 4 is American I_________ Day.

Its r___________ materials come from the Middle East and are made into products in Taiwan.

He is on d__________ to lose weight.

10. I have b_________ a lot from reading different kind of books.

题型:填空题

已知:直线l1、l2分别与x轴交于点A、C,且都经过y轴上一点B,又l1的解析式是y=-x-3,l2与x轴正半轴的夹角是60°.

求:(1)直线l2的函数表达式;

(2)△ABC的面积.

题型:填空题

正确认识社会主义初级阶段长期性的要求是什么?

题型:填空题

注册工程师(投资)作为业务骨干,应有娴熟的( )的工作能力。

A.沟通和公关能力
B.专业技术和高效操作
C.计算机和语言能力
D.营销和企业管理能力

题型:填空题

合理的营养不仅能增进健康,还可作为()的手段。营养缺乏不仅使人衰弱,而且营养不良可引起营养缺乏病。

A.防治害虫

B.防治伤害

C.防治神经

D.防治疾病

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