[单项选择]Although many modifications have been made in it, the game known in the United States as football can be traced directly to the English game of rugby.
A. rules
B. changes
C. demands
D. leagues

[单项选择]How many cancellations and delays have been made？（）
A. 9.
B. 8.
C. 5.
D. None.

[简答题]_______so many profits have been made in the past 4 years is the strongest argument for continuing the business.

[单项选择]Various efforts have been made over the centuries to predict earthquakes, including observing lights in the sky and ______ animal behavior.
A. absurd
B. abnormal
C. exotic
D. erroneous

[单项选择]Today, household chores have been made much easier by electrical （　）
A. facilities
B. equipment
C. appliances
D. utilities

[单项选择]Attempts have been made for nearly three decades to increase the amount of precipitation from clouds by seeding them with salt or silver iodide.（　）
A. Devices
B. Hypotheses
C. Efforts
D. Suggestions

[单项选择]

Valentine boxes have been made by students in classrooms for many years. They eon be done in class or as a home project for the whole family to enjoy. You must first choose a box. Any box will do and you will need an adult to cut a slit in the top of the box to insert valentine cards.
You can use paper to cover your box or paint the box. Choose a valentine color that you like. If you decide to paint your box, you will need to let it dry for several hours before decorating. After you have covered or painted the box, the fun begins!
Many children like to draw their completed valentine box on paper before they begin decorating it. It gives you a plan for your box. When your plan is complete, start the decorating. Use any items you have at home to decorate the box or ask a parent to take you to a store to choose items to decorate your box. Make sure it pleases you. It is your box to use on Valentine’s Day at school. Have a great time!

What must you do first
A. Palm the box.
B. Choose a box.
C. Cut a slit in the top;

[填空题]Pentagon. Many have been held for more than three years and the______.

[单项选择]It is reported（　）great changes have been made.
A. which
B. that
C. while
D. what

[单项选择]______ have been made for nearly three decades to increase the amount of precipitation from clouds by seeding them with salt or silver iodide.
A. Devices
B. Hypotheses
C. Attempts
D. Commissions