请完成Unit 1 Reading A 的 Task 1 和 Task 2 , 题目见PPT

Task 2 Complete the sentences with the words from Task 1. Change the form if necessary. We hold great respect for their cultural______. He would like to order today’s ______ in this restaurant. Their dances have______ our interest in their culture. The boy was so ______ by the game that he forgot to do this homework. Jenny’s story ______ the artist to create many famous paintings. We pray that both sides will continue to ______ their commitment to the peace agreement. This store is the largest ______ in this city. He had a ______ that one day all slaves would be free. We will ______ for excellence in our service. Quality is our best ______ to our customers.

Task 2 Complete the sentences with the words from the Task 1. Change the form if necessary. We hold great respect for their cultural ______. He would like to order today’s ______ in this restaurant. Their dances have _______ our interest in their culture. The boy was so ____ by the game that he forgot to do his homework. Jenny’s story _____ the artist to create many famous paintings. We pray that both sides will continue to ______ their commitment to the peace agreement. This story is the larget ______ in this city. He had a _____that one day all slaves would be free. We will _____ for excellent in our service. Quality is our best ___ to our customers.

背诵:369PGT “旅游篇”situation 4-6 朗读:新航标第二册 unit1 课文A 后半 听写:1 economic,2 traffic jam,3 expansion,4 status,5 priority, 6 suburb 7 impact,8 culture,9 urban,10 employment,11recommend 12 receipt,13 passport 14 customs,15 traveler,16 structure,17 camera 18 background,19 focus,20 record

Gerald Company manufactures books. Manufacturing a book takes 10 units of A1 and 1 unit of A2. Scheduled production of books for the next two months is 1,000 and 1,200 units, respectively. Beginning inventory is 4,000 units of A1 and 30 units of A2. The ending inventory of A1 is planned to decrease 500 units in each of the next two months, and the A2 inventory is expected to increase 5 units in each of the next two months. Based on this information, the number of units of A1 that needs to be purchased by Gerald during the first month is

A．9,500 units

B．10,000 units

C．1,000 units

D．10,500 units

若对任何b∈B和任何a₁，a₂∈A，都有(a₁？a₂)⊙b=(a₁⊙b)？(a₂⊙b)，则称代数运算⊙，？适合右分配律．

若⊙，？为A的两个代数运算，则⊙关于？一定适合右分配律？

设A，B为两个随机事件，P(A)=1/4，P(B|A)=1/3，P(A|B)=1/2。令

(1)求X与Y的联合概率分布;

(2)求X与Y的相关系数ρ_XY。

此题为判断题(对，错)。

A.1

B.2

C.3

D.12

A.|-a1,-a2，-a3|

B.|a3,a2，a1|

C.|a1,a1+a2,a1+a2+a3|

D.|a1+a2,a2+a3,a3+a1|