. The millions of calculations involved, had ...

The millions of calculations involved, had they been done by hand, _____ all practical value by the time they were finished.

A. could lose      B. would have lost                          C. might lose           D. ought to have lost

高三英语单项填空中等难度题查看答案及解析

. The millions of calculations involved, had they been done by hand, _____ all practical value by the time they were finished.

高三英语单项填空简单题查看答案及解析

The calculations, had they been done by hand, ______all practical value by the time they were finished.

A. had lost  B. would lose   C. should have lost  D. would have lost

高三英语单项填空中等难度题查看答案及解析

It is thought police had been called to the scene following a report of a collision involving her vehicle and ________ of another motorist.

A. one　　 B. those　　　 C. some　　 D. that

高三英语单项填空中等难度题查看答案及解析

It is thought police had been called to the scene following a report of a collision involving her vehicle and ________ of another motorist.

A. one　　 B. those

C. some　　 D. that

高三英语单项填空中等难度题查看答案及解析

It is thought police had been called to the scene following a report of a collision involving her　 vehicle and ________ of another motorist.

A. one　　 B. those　　 C. some　　 D. that

高三英语单项填空中等难度题查看答案及解析

阅读下面材料，在空白处填入1个适当单词或括号内单词的正确形式。

They had been on 1. (we)planets for millions of years，but 2018 was the year several species 2. (official)died off for ever.Three bird species went extinct this year，two of 3.are songbirds from northeastern Brazil.A 4. (disturb)trend is that mainland species are starting to go extinct，rather than island species.

The species 5. (wipe)out in the wild resulted from many factors such as the creation of dam and trapping　 6. trade.Beyond birds，other animals such as the vaquita and the northern white rhino 7. (be)near the end.We are currently experiencing the worst species die—offs since the 8. (1ose)of the dinosaurs 65 million years ago.

Although extinction is a 9. (nature)phenomenon，it occurs at a rate of about one to five species per year.Scientists estimate we’re now losing species at 1，000 to 10，000 times the rate.In the past 500 years，about 1，000 species 10. (go)extinct.

高三英语语法填空中等难度题查看答案及解析

________ had been done, the working efficiency of the employees still remained low.

高三英语单项填空中等难度题查看答案及解析

Our waste recycling project ________ a lot of investigation and paperwork had been done by the end of last term.

A．involved　     　　 B．to involve

C．being involved　     D．involving

高三英语单项填空中等难度题查看答案及解析

After driving for five hours, they arrived at      they thought was the place they had been dreaming of.

A．what          B．that   C．which          D．where

高三英语单项填空简单题查看答案及解析