Under the setting of mining level in China, single level or ______ development is widely used in various mine development.

Because of the increasing environmental damage, many countries are now under_________various new environmental protection projects.

Which of the following is not the role of high-voltage circuit breaker ? ( ) A: Switch on and off various load circuits under normal conditions B: Automatically and quickly switch off the fault current under fault conditions C: Realize the function of automatic reclosing D: Switching voltage level

I found the cat. She was sleeping under the table. A: under B: under the table C: sleeping under the table

What does the author imply about the various gadgets on cars? A: They can help to alleviate traffic jams. B: Most of them are as effective as advertised. C: Only some can be put to use under current traffic conditions. D: They are constantly upgraded to make driving easier and safer.

There are various types of conferences, such as, ___________ .

Is the reporting of an extraordinary item, net of tax, allowed under U. S. GAAP and International Financial Reporting Standards (IFRS)（） A: Yes, under both. B: Yes, under IFRS, but not under U. S. GAAP. C: Yes, under U. S. GAAP, but not under IFRS.

When you work as a lawyer,you must put your personal emotions _______. A: under control B: under fire C: under way D: under consideration

What is said about the problem the Anderson Company is facing（） A: To retain the ownership of the various chain shops． B: To improve the efficiency among various chain shops． C: To ensure more flexibility of the various chain shops．

RIP advertisements typically announce the number of hops to various destinations. BGP updates, on the other hand, announce the __________ to the various destinations.