下面中的黑体词语能否去掉？为什么？ 与秋天一样，我们的春雁每天都要去玉米地作一

顺次连接四边形各边的中点所得的四边形一定是______四边形．

一网球运动员在离开网的水平距离为12m处沿水平方向发球，发球高度为2.25m，网的高度为0.9m．（取g=10m/s²，不计空气阻力）

（1）若网球在网上0.1m高处越过，求网球的初速度；

（2）若按上述初速度发球，求该网球落地点到网的距离．

Why Melbourne? Having long lived in the shadow of Sydney, Melbourne has become a Mecca(圣地) for fashion and design and cultural centre of Australia, with an enjoyable programme of festivals

What to see? The City center’s grid（格子） system of streets conceals a maze of lanes and turn-of-the-century arcades where you will find the best cafes, bars and boutique shopping. The hidden secrets tour(00613 9329 9665,hiddensecretstour.com) guides will make sure you find what you’re after, whether it is fashion, art and design or wine. From 34 per person .

Where to eat? Melbourne is a paradise for gourmands（美食家）. And its top chefs use fresh produce and have a talent for the experimental. But for something different, indulge your culinary senses with an Australian Wine Tour Company trip. Departing from the city centre daily. You will taste wines at four of the region’s best vineyards. It costs from 48 per person, including all wine tasting, lunch and a visit to Damien Chandon(00 613 9419 4444. austwinetourco.com.au) .

Where to stay? The nunnery is an old convent（女修道院） on the edge of the city. It has double rooms with breakfast from54 per night (00 613 9419 8637, nunnery.com.au).

How to get there ? Qantas(0845 7747 767, qantas.com. au) flies from Heathrow to Melbourne twice daily from 766 return, including taxes.

More information Contact the official tourism site for Melbourne at visitmelbourne. Com/uk.

Use the links below for more on

Destination guide: Melbourne

Click here for our Melbourne page

60. To get more information about Hidden Secrets Tour, you should call____________ .

A. 00 613 9419 4444                               B. 00 613 9419 8637

C. 0845 7 747 767                                  D. 00 613 9329 9665

61.If you are interested in Australian wines, you will have to pay___.

A. 48                B. 54                  C. 34                  D. 766

62.Where can you find the passage?

A.In a magazine           B.On the Internet          C.In a guidebook          D.In a newspaper

63.The passage is written to__________.

A.introduce places of interest in Australia

B. tell readers to travel to Australia

C. offer tourists some information about Melbourne

D. introduce the history and culture about Melbourne

在变形过程中，变形体的质点流向阻力（）的方向。

A、最大

B、最小

C、相同

D、不确定

颗粒剂的制备过程不包括以下哪个步骤（）

A.制软材

B.制湿颗粒

C.整粒与分级

D.颗粒的干燥

E.压片