1、[D] are threatening default

2、It's threatening to rain.

3、A storm was threatening.

4、He received a threatening letter.

5、non-life threatening exposure limit

6、Savage or threatening in appearance.

7、He got a threatening letter.

8、It's threatening to disrupt holiday travel.

9、Conclusion: eat shows good effect in treating superficial tumor and provides a new therapeutic means for the patients with tumor of unresectable or relapsed.

10、In the beginning, Baghdad wasn't that threatening.

11、They showed threatening, pleasant and neutral expressions.

12、His wounds were not life-threatening.

13、This wind is threatening to become a storm.

14、Armenia is threatening to scrap the deal altogether.

15、This can damage organs, and may be life threatening.

16、Splenic abscess is a rare and potentially life-threatening disease.

17、A new epidemic called SARS is threatening us right now.

18、Notifiable offence of get money from someone, by threatening to make public fact about him which he do not want revealed or by threatening violence

19、Threatening to remove the carrot (or rather, the flow of chocolate COINS) is more credible than threatening to wield the stick.

20、These things have been threatening to our survival over evolutionary history.

21、And now, the Greeks are threatening to bring the whole system crashing down.

22、The severe storm is one of the most threatening natural disasters for transmission lines.

23、Israel is threatening to attack Iran's nuclear sites. This may not be a bluff.

24、Failing to be observant while walking or driving can be life threatening.

25、The insight is an intuitive one—threatening someone to convince him not to attack you is much more likely to work than threatening him in order to make him give up something he cares about.

26、There is only a sand dike between Venice of Italy and Adriatic sea. The recharging of seawater is threatening.

27、He was threatening legal action but he soon backed down when he got that letter from my solicitor.

28、Those who survive are at greater risk of developing brittle bones, life-threatening infections, kidney damage and heart problems.

29、As a type of epidemic disease that develops covertly, osteoporosis is increasingly threatening people's survival quality and life.

30、But with just 13 days to go, a series of crises is threatening to overshadow the Games.