在加油站，有一种量大、面广、费时、费力的无效劳动，曾经也是加油站核算员最耗时的工作之

Mother’s Day is coming. It is a time to let Mom know she’s special to you. Finding the right for Mom on that day is not always easy. We often want something personal and thoughtful. But how can we make it? These following ideas may help you.

Gift of Time

Moms just want to spend time with their children so make it a Mother-Daughter/Son day. Spend the whole day with her. Do the things she likes doing with her.

Home Video

Take your family videos and make them a short home video. She can enjoy it whenever she misses you. Although it may take a lot of time, the process(过程) can be great fun and the result is often priceless(无价).

Mom Mix

Make a CD for her. It’s a collection of all the songs that remindher of you and your growing up.

Write a Letter

Write a letter instead of a simple card. Write about all the good memories you have with her and all the things she has done for you.

Flowers

People send carnations(康乃馨) on Mother’s Day. You can easily spend a lot of money on them. If you have flowers in your garden, or can handpick them, it can be a great gift.

Dinner

Make a dinner and invite her over. You can also take it over to her house and surprise her. Just don’t’ forget to wash the dishes after the dinner.

小题1:Why is it not easy to find a right gift on Mother’s day?

A．Because we want to save money

B．Because mothers don’t like gifts.

C．Because we always want to get something special

D．Because mothers are very difficult to deal with小题2:Making a home video may be _______.

A．fun

B．boring

C．easy

D．nothing小题3:What does the underlined word “remind” mean in Chinese?

A．使……防范

B．使……想起

C．使……经过

D．使….. 痛苦小题4:How many kinds of ideas have been mentioned here for Mother’s Day?

A．4

B．5

C．6

D．7小题5:From the passage we know _________.

A．you can buy a big cake for your mom on Mother’s day

B．writing a letter is better than sending a simple card to your mom on Mother’s Day.

C．inviting your mom to eat in a restaurant is a good gift for her.

D．buying carnations for her is a good way.

下列有关LD₅₀的叙述不正确的是（）

A.使一半受试动物死亡的剂量

B.通常以mg／kg体重表示

C.是化学物急性毒性分级的依据

D.与染毒途径无关

E.与动物种属有关

天行赤眼禁忌：

A．包眼
B．洗眼
C．耳尖放血
D．针灸
E．熏洗

降雨量与损失量之差称为净雨量，在数量上净雨量等于它所形成的径流量。

“创新、协调、绿色、开放、共享”，是我国社会经济社会发展的五大理念。海南省在发展过程中坚持共享发展，坚持发展为了人民、发展依靠人民、发展成果由人民共享，并做出有效的制度安排，使全体人民在共建共享发展中有更多获得感，增强发展动力。

从历史唯物主义角度，阐释“共享发展”的正确性。