下列几组唾液腺，分泌量最大的是（） A.下颌下腺 B.腮腺 C.舌下腺 D.唇腺 E

Camping in your backyard is full of fun, whatever your age is. It’s great for keeping us relaxed. It offers chances to enjoy the night sky and to be noisier(更热闹) than usual. It lets us have friends over to stay who might not fit inside the house! Follow these instructions and you’ll have a night you’ll never forget!

Put up your tent

Considering the  (1)  of family members and guests, you may need more than one  (2) . Tell your friends to bring their tents if needed. Follow the instructions or check out the articles on how to put up a tent on the Internet.

Prepare your bedding

You’ll want your guests to be able to relax in comfort. Put something soft to lie on the floor: A blow-up air mattress(床垫) or thick comforters may work well. Fill the tent with soft toys and blankets. Have lightweight sleeping bags or cotton blankets. (3)They are especially important if you live where the night temperatures drop greatly.

Prepare a seating area

If you have a picnic table, that would work best. If not, set up a few chairs and a small table to set out(摆出) drinks and food. A simple choice is to lay out a blanket in the open air, so that your friends can eat and talk. Be sure the grass isn’t wet!

Make memories

Plan some activities. You’re camping in the backyard, so it’s time to make the most of being outdoors.

Have a camera nearby to take photos of you, your family members, and your friends. Take one large group shot with everyone smiling and laughing. Be sure to make copies for everyone!

小题1:在(1)(2)空白处分别填入一个适当的词使句意完整，上下文通顺。

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小题2:回答问题：What can we do to help remember the camping activities?

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小题3:把(3)句译成中文。

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小题4:在文中找出与“Your guests are expected to relax themselves comfortably.”意思相近的句子。

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小题5:在文中找出最能表达该短文主题的句子。

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现代实验动物科学所指实验动物的质量控制包括五个方面：（）。

被称为“当今世界芭蕾舞台是最年轻的大师级人物之一”的是（）

A.笨？史蒂文森

B.米歇尔？福金

C.应萼定

D.詹姆斯？库德尔卡

1917年3月15日，沙皇（）被迫宣布退位，统治俄国300余年的罗曼诺夫王朝覆灭了。

A.尼古拉二世

B.叶卡婕琳娜二世

C.伊凡三世

D.伊凡四世

弹性滑动是由( )引起的，弹性滑动是( )避免的。

A．拉力差，可以

B．拉力差，无法

C．摩擦力，可以

D．摩擦力，无法