不能够使用宏的数据库对象是( )。A．数据表 B．窗体 C．宏 D．报表_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

不能够使用宏的数据库对象是( )。

A．数据表

B．窗体

C．宏

D．报表

答案

参考答案：A

解析：在Access的窗体、报表、宏中部可以使用宏，但在数据表中不能使用宏。

阅读理解

Below are same classified ads from an English newspaper.

Classified ads FOR DORECT CLASSIFIED SERVICE CALL 800-0557 10 A.M.-4P.M. MONDAY-FRIDAY
FOR SALE ——————————— COME to our moving sale- Plants, pottery, books, clothes, etc.Sat,Dec.14^th---9a.m.-5p.m. 1612 Femdale,Apt.1,800-4696 USED FUR COATS and JACKETS ,Good condition $30-$50.Call 800-0436 after 12 noon. MOVING; Must sell.TV21”, $50; AM/FM radio A/C or battery, $15; cassette tape recorder, $10.Call Jon or Pat, 800-0739 after 5p.m. or Weekends. SHEEPSKIN COAT: man’s size 42, 1year old. $85 after 6 p.m., 800-5224. LOST AND FOUND ——————————— FOUND; Cat, 6 months old, black and white markings. Found near Linden and South U. Steve.800-4661. LOST; Gold wire rim glasses In brown case. Campus area. Reward. Call Gregg 800-9662, FOUND: Nov.8^th-----A black and white puppy in Packard-Jewett area 800-5770.	PERSONAL ———————————— OVERSEAS JOBS—Australia, Europe, S. America, Africa. Students all professions and occupation, $700 to $3000 monthly. Expenses paid, overtime sightseeing. Free information at STUDENTS’ UNION. THE INTERNATIONAL ———————————— CENTER plans to publish a booklet of student travel adventures . If you’d like to write about your foreign experiences, unusual or just plain interesting, call us (800-9310) and ask for Mike or Janet. UNSURE WHAT TO DO? Life-Planning Workshop. Dec. 13^th-15^th. Bob and Margaret Atwood, 800-0046. ROOMMATES ———————————— FEMALE ROOMMATE WANTED: Own room near- campus. Available December 1^# . Rent $300 per month until March 1^#. $450 thereafter. Call Jill for details, 800-7839. NEED PERSON to assume lease for own bedroom in apt. near campus, $380/mo.starting Jan. 1^# Call 800-6157 after 5 p.m.	DOMESTIC SERVICE ———————————— EARLY HOUR WAKE-UP SERVICE: For prompt, courteous wake-up service, call 800-0760. HELP WANTED ———————————— BABYSITTER—MY HOME If you are available a few hours during the day, and some evening to care for 2 school-age children, please call Gayle Moore, days 800-1111, evening and weekends 800-4964. PERSONS WANTED for Delivery work Own Transportation Good pay Apply 2311 E. Stadium. Office 101, after 9a.m. TELEPHONE RECEPTION- IST WANTED. NO experience Necessary Good pay. Apply 2311 E. Stadium. office 101, after 9a.m. WAITRESS WANTED: 10a.m.-2p.m.or 10:30 a.m.- 5p.m. Apply inperson,2075 Main. Curtis Restaurant. HELP WANTED for house Cleaning 1/2 day on weekends When—to be discussed for mutual convenience. Good wages. Sylvan Street. Call 800-2817.

小题1:Where will you post a notice if you need someone to look after your children?
A. PERSONAL. B. HELP WANTED.
C. DOMMESTIC SERVICE. D. ROOMMATES.
小题2:A second-hand jacket will probably cost you________.

小题3:To have your travel notes published, you may contact_________.

A．Students’ Union	B．Gayle Moore
C．The International Center	D．Life-Planning Workshop

小题4:If you want to have someone wake you up in the morning, you may call_________.

A．800-5224	B．800-5770
C．800-7839	D．800-0760

问答题

请按形成固溶体的条件来讨论说明CaO-MgO能够形成何种固溶体。(已知Ca²⁺和Mg²⁺离子的半径分别是0.1nm和0.072nm)