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.
热泵系统的组成包括()。
黄色的互补色为（）
had you come five minutes earlier, you ____ the train to birmingham. but now you missed it.
热泵机组的热源和汇一般包括()。
选中渐变工具的反向选项后，填充颜色的方向将与实际设置的方向相反。
2017年工作报告明确，研究制定()城市群发展规划。
《素问·五脏生成篇》里说：“食酸，则”
超级喷射的粒子繁殖有哪些选项？
引导应对气候变化国际合作，成为全球生态文明建设的重要()、()、()
色光三原色是指（）
young people are not ____ to stand and look at works of art; they want art they can participate in.
人的意志品质不是天生的，而是在后天生活和实践过程中逐步形成的。()
if i hadn't stood under the ladder to catch you when you fell, you ____ now.
since they speak different languages it is really hard for them to ____ with each other.