哪项不是孤独症的治疗原则（） A.以药物治疗为主、以教育和训练为辅 B.以教育和训练

If someone is lost in a forest( 森林 ), he needs only study the trees around him carefully to find his way. On this half of the earth, he will find that the side of the tree with the most leaves and branches(树枝 ) is the south side. Also, by checking the tops of the trees, he will find that they lean(倾斜 ) to the south too.

Another sign( 标志物) for him to know where he is going is found in the bark.( 树皮) That is brighter on the south side.The remanining(树桩 ) of a cut tree is also a finder, for its rings can give him another sign. The rings will be thinner on the south side and thicker on the north side.

One more sign: some very small plants grow at the foot of a tree and they point to the north.

小题1: The passage is mainly about __________.

how to find a big tree if one is lost in the forest.

How to cut down trees in the forest

How to find the direction(方向 )in the forest

How to grow trees in the forest .

小题2: From a cut tree we can know that ___________.

A．the direction is written on it

B．the rings will be thinner on the south side and thicker on the north side

C．the rings will be thinner on the south

D．its rings can send messages to you小题3: The passage tells us __________ ways of finding the direction in the frorest.

A．three

B．four

C．five

D．six

---Were your parents at home last night?

---No. We ________ went to Grandma’s birthday party.

A．both

B．all

C．none

D．neither

是螺内酯的利尿机制（）

A.明显抑制集合管碳酸酐酶活性 

B.抑制髓袢升支粗段皮质部Na+、Clˉ的重吸收 

C.竞争性拮抗醛固酮受体 

D.直接抑制远曲小管对K+的分泌 

E.抑制髓袢升支粗段皮质部和髓质部Na+、Clˉ的重吸收

境外签发的签证，如“签发日期”是3月18日，“请于此前入境”是9月18日，“入境后可停留”为30天，如果这个外国人4月18日入境我国，可停留到哪天就要出境？（）

A.4月18日

B.5月18日

C.6月18日

D.9月18日

已知小写字母'a'的ASCII码为97，以下程序的结果是 ______。
char a=32，b=68；
cout＜＜(a | b) ;

A．b

B．98

C．d

D．100