The production of “mulberry fish pond” in the Pearl River Delta belongs to()
A. circular agricultural economy
B. animal husbandry
C. horticulture of fruits
D. commercial agriculture of grains
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Which of the following description is correct about the geographical meanings of water cycle()
A. Keep the dynamic balance of different water bodies on the earth, make spheres connect with each other, and facilitate the matter movement and energy exchange
B. The form of the water transforms among solid, liquid, and gas
C. The glaciers accelerate to melt
D. The sea level rises up
以下选项中,不是Python IDE的是()
A. PyCharm
B. Spyder
C. R studio
D. Jupyter Notebook
在Python中用import 或者from… import来导人相应的模块:模块名madule_name,函数名为func1。下面选项中描述错误的是()
A. 将整个模块导人,格式为:import module_ name
B. 从某个模块中导人多个函数,格式如:rom module name impot fune1. fume2. fumn 3
C. 从某个模块中导人某个函数,格式为:from func1import modulename
D. 将某个模块中的全部函数导人,格式为:from module_name import *
关于变量的描述,下面选项中描述正确的是a=12
a + “34”()关于变量的描述,下面选项中描述正确的是a=12
a + “34”()
A. 变量在使用前可以不赋值即使用
B. 1_1可以作为一一个变量名
C. is可以作为一个变量名
D. 以下代码中,a是一个变量,但执行a +”34″ 会出错,错误类型为TypeError: unsup-ported operand type(s) for +: ‘int ‘and ‘str ‘