【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=

当梁腹板高度满足（）需配置纵向构造钢筋。 A: hw≥400mm B: hw>400mm C: hw≥450mm D: hw>450mm

“9、9、7、4、7、8、9、2、4、5、4”的中位数是（）。

Chen Lin: Good morning. You (1) ______ be Mr. Lohmann. Martin: Yes, that’s right. Chen Lin: I’m Lin Chen, Mr. Li’s personal (2) ____________. How do you do? Martin: ___________________? Chen Lin: How was your (4) ________? Martin: Fine, but a bit (5) ______. However, I managed to (6) _________ a little. Chen Lin: I see that the flight was (7) _________ by three hours. Was there a problem? Martin: Yes, it was. There was a problem with one of the (8) ________, but I had chance to have another look at the (9) _________ you sent us while waiting for the plane. It was very interesting and looks very good. Chen Lin: Well, Mr. Li is waiting for you at the (10) _________. The taxi is waiting (11) _________. Martin: Good, but could we go to the (12) _________ first. I'd like to (13) _________ and...

1. What is the relationship between Chen Lin and Amy?They are 1) .2. Who gave Chen Lin a painting as a gift? His 2) give him a painting.3. What is Chen Lin going to do to thank the gift-sender?He is going to 3) to thank the gift-sender4. Why is an email not proper to express one’s gratitude for a gift? Because it is 4) and lacks 5) .5. What should a note of thanks for a gift include?It should include a specific 6) to the gift, then remarks about its 7) , why 8) and how 9) .[音频]

24分之7×9分之4+24分之5×9分之7

一般成人的血液占体重的 A: 7%～8% B: 8%～9% C: 6%～7% D: 9%～10% E: 7%～9%

短时记忆的容量是______个组块。 A: 5～7 B: 7～9 C: 7 D: 5～9

一般成人的血液占体重的（1.00分）() A: 7％～8％ B: 8％～9％ C: 6％～7％ D: 9％～10％ E: 7％～9％

编号为7、8、9的三块宗地合并后，新宗地号为（）。 A: 7 B: 7—1 C: 9 D: 9—1