【单选题】化工设备常用材料的性能可分为:工艺性能和( )。
【单选题】Our decision on whether to boost our long or short positions _______ on any change in the direction of the market, usually driven by the demands.
【单选题】I’ll_____his reputation among the business in the community, and then make a decision whether or not to approve a loan.
【单选题】Mr. Thompson was very uncertain ______whether it was the right decision in teaming up with his coworker, Mr. Barns.
【单选题】按使用性能进行分类,金属材料的性能可分为化学性能、力学性能和_______性能?
【单选题】Decision on whether the message is right or wrong should at least come after _____what the message is.
【单选题】Before making the final decision of whether or not to buy shopping goods, a customer has to visit various shops to gather information.
【单选题】What decision does the man need to make?
A.
Whether to accept the job offer or not.
B.
Whether to move or not.
C.
Whether to have a rest or not,
D.
Whether to ask for an extension or not.