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问题 选择题

森林地区往往降雨较多，其主要原因是[ ]

A．蒸腾作用使大气湿度增大  

B．呼吸作用旺盛，产生的水分多  

C．光合作用强，释放出的水汽多  

D．森林保持水土，蓄水过多

答案

答案：A

填空题
选词填空 从方框中选择合适的单词填入下列句子中。
turn, cut, peel, mix, drink, roll, eat, pour, have, boil, add, take, put, make

1. How long does it ________ to get to school?
2. I can't come. I ________ a really busy day.
3. The Greens like to ________ sandwiches with lettuce.
4. Let's ________ some banana smoothie.
5. ________ some more salt to the popcorn, please.
6. You have to ________ the banana before eating it.
7. Can you help me ________ up these tomatoes?
8. Don't _________ waste water into the river.
9. Next you need to _________ all these things into the blender.
10. Finally, _________ on the blender and you'll get some fruit salad.

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单项选择题

若输入“abcdef”、“abdef”，以下程序的输出结果为( )。 #include＜stdio.h＞ #lnclude＜string.h＞ main() {int n； char s1[20]，s2[20]，p1，*p2； scanf("%s"，s1)； scanf("%s"，s2)； P1=s1； p2=s2； n=strcmp(p1，p2)； printf("%d\n"，n)；}

A．-1

B．0

C．"abcdef"

D．"abdef"
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