平衡检验时，螺旋桨总是停在某一固定位置是：（）.

Part 1

Question 46-50

·Here is an advertisement about a Business Book Club.
Join the Business Club.t
We will send you a new book, monthly, from our fantastic range of business books. Managers all over the world read these books and their business gets better and better.
There is no need to pay immediately. Look at the books and if you like them, we will send you a bill If you do not want the book, send it back in the box provided. Joining the Business Book Club is simple.
We will need details of your bank account. You can pay by automatic bank transfer, or by cheque or credit card, but not with cash. It’s really simple!If you want to discuss payment terms, call us now on: 171 622 3111.
Books written by managers for managers!Don ’t delay, join TODAY!
☆ Read the advertisement and complete the given information form.
Write a word, phrase or number in the spaces 1-5.

Business Book Club

Type of book: (1) ______
Type of reader: (2) ______
Writers: (3) ______
They need: (4) details of your ______
Contact Number: (5) ______

城市供热管网地沟底应具有不小于（）‰坡度。

A.10

B.8

C.4

D.2

完成下列单词，每空填一个字母。

1. dep ___ ___ tment       2. m ___ ___ ket

3. movie th ___ ___ tre    4. t ___ ___

人们常把遇到惊喜和兴奋的事比作“发现了新火陆”。这个比喻与下列哪个历史人物有关

A．达•伽马

B．哥伦布

C．麦哲伦

D．迪亚士

平行观测记录应统计整理成月报表附在当月正式月报表后面，（）。