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 *
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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 ‘
下列记载为有效汇票的是（）
A. Pay to Hisse Co. or order the sum of three thousand US dollars
B. Pay to Hisse Co. providing the goods they supply are complied with contract the sum of five thousand Hongkong dollars
C. Pay to Hisse Co. out of the proceeds in our No. 4 account the sum of seven thousand US dollars
D. Pay to Hisse Co. the sum of nine thousand US dollars upon receipt of Bill of Lading No
Which of the following is TRUE about yacht（）
A. Yacht can be used to carry bulk cargoes
B. Yacht is a recreation ship or boat
C. Motor yacht can carry thousands of people
D. Sailing yacht is more powerful than motor yacht
What do TEU and FEU mean（）
A. TEU= Forty-foot equivalent unit; FEU= Twenty-foot equivalent unit
B. TEU= Twenty-foot equivalent unit; FEU= Forty-foot equivalent unit
C. TEU= Fourteen-foot equivalent unit; FEU= Twelve-foot equivalent unit
D. TEU= Twelve-foot equivalent unit; FEU= Fourteen-foot equivalent unit
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