问题
单项选择题
DS3光学水准仪的基本操作程序是( )。
A.对中、整平、瞄准、读数
B.粗平、瞄准、精平、读数
C.粗平、精平、对光、读数
D.粗平、精平、瞄准、读数
答案
参考答案:B
DS3光学水准仪的基本操作程序是( )。
A.对中、整平、瞄准、读数
B.粗平、瞄准、精平、读数
C.粗平、精平、对光、读数
D.粗平、精平、瞄准、读数
参考答案:B
完形填空。 | |||
Hello, I'rn Mike. This is __1__ room. I have two __2__ .One is yellow. The other is __3__ . The yellow one is on __4__ desk. The black one __5__ On my chair, Look, that is __6__ Orange.It's under the desk. Those __7__ my books. __8__ are in my backpack. Oh, a dog is __9__ the bed. Its (它的) name __10__ Xixi. I like it very much. | |||
( ) l. A. you ( ) 2. A. hat ( ) 3. A. Green ( ) 4. A. these ( ) 5. A. is ( ) 6. A. a ( ) 7. A. is ( ) 8. A. It ( ) 9. A. under ( ) 10. A. is | B. he B. hats B. pencil B. she B. are B. an B. am B. They B. of B. am | C. my C. ruler C. pen C. you C. am C. two C. are C. He C. with C. are | D. she D. map D. black D. my D. has D. three D. be D. She D. for D. have |