【单选题】canada began negotiating with the u.s. on diantling tariff barriers under the government of_______.
一年生园艺植物生长发育时期分为（ ）。
苏菜即江苏菜，主要由淮阳菜、苏州菜和南京菜组成下面不属于苏菜的为（ ）
稳定流动是指流体在流动系统中,任一截面上流体的流速、压强、密度等与流动有关的物理量（ ）。
提取坏账准备的会计科目编码为借：1321，贷：6001
which of the following sentences is grammatically incorrect?
由离心泵和某一管路组成的输送系统，其工作点（ ）
the suffix “-less” is often added to nouns in order to form ______ that indicate that someone or something does not have the thing that the noun refers to.
to my teacher i ________ this dictionary in token of affection and gratitude.
before the daughter’s wedding ceremony, father recalled so many things except____.
由差分方程求离散时间系统的系统函数为（ ）。
this ticket ________ you to a free boat tour on the lake.
which of the following words is not based on the prefix “pre-”？
非货币性福利 需要转出应交税费
the local government is expected to give high ______ to lifting energy efficiency and cutting pollution.
领导的本质是（ ）
which of the following sentences is grammatically wrong?
the prefix ______ is often used to combine with adjectives and nouns to form new words indicating that something connects two or more places, things, or groups of people.