Therefore,wehave____todecidetoannouncea10%increaseinallCIFrateasofApril1. A: reluctantly B: quickly C: well D: been

Wehave()rainfallthisyearthanlastyear. A: little B: least C: less D: theless

Wehave（）allthelatestsafetyfeaturesintothedesignofthecar. A: absorbed B: incorporated C: accumulated D: insulated

Wehave the pleasure of introducing ourselves to you as a state corporationspecializing in the export of canned goods.

Wehave to_________ anewwaytosolvethisproblem. A: tellabout B: putout C: thinkof D: takeover

Why is it important or helpful to classify materials into different groups as wehave done in this chapter?

Wehave（）at30days’sightfortheamountoftheinvoice. A: writtentoyou B: calledonyou C: senttoyoubyair mail D: drawnonyou

6. —What do you want to do next? Wehave half an hour until the basketball game. —It’sup to you. _________ you want to do is finewith me.

以下选项中内容正确的有 A: Fire goods/flammable items are forbidden on the train. B: Generally speaking wehave to arrive at the airport at least two hours before the departure time. C: Make sure you are firmly strapped in before the plane takes off. D: At theairport we shouldaccept security inspection consciously

【填空题】用 logspace 函数创建向量 A= [10 2 ,10 2.2 ,10 2.4 ,10 2.6 ,10 2.8, 10 3 ,10 3.2 ,10 3.4 ,10 3.6 ,10 3.8 , 10 4 ,10 4.2 ,10 4.4 , 10 4.6 ,10 4.8, 10 5 ,10 5.2 , 10 5.4 , 10 5.6 ,10 5.8 ,10 6 ,10 6.2 ,10 6.4 ,10 6.6 ,10 6.8, 10 7 ,10 7.2 ,10 7.4 ,10 7.6 ,10 7.8 ,10 8 ] 的语句是___________