Environmental protection（）everyone's support. A: calls for B: calls forth C: calls off D: calls up

It’s a situation that ________ a blend of delicacy （柔软） and force （力量）. A: A. calls on B: B. calls for C: C. calls off D: D. calls at

【单选题】What does Bob call for? A. Bob calls to apologize to Jane. B. Bob calls to hold a party. C. Bob calls to celebrate Jane’s birthday. D. Bob calls to invite Jane to a show.

Power distance in Hofstede's cultural dimensions is roughly similar to the value Kluckhohn calls hierarchy.

This program ______ your patience and confidence. A: calls for B: calls on C: calls at D: calls about

A good writing______clear organization and choices of words. A: calls on B: calls for C: calls up D: calls off

And it calls the WTO's decision-making process "selective and ______". A: monetary B: exclusionary C: missionary D: legendary

It’s the sort of work that calls for a high level of ( ). A: sin B: concentration C: offence D: absence

This matter ______ a cool head. A: calls off B: calls for C: calls on

中国大学MOOC: The higher the volatility of a stock’s price, the lower the prices of both puts and calls on that stock.