DJ1经纬仪的精度为( )。A．一测回方向观测中误差0.7″ B．一测回方向观测中 发布时间：2017-12-18 10:39 │ 来源：www.tikuol.com 题型：单项选择题 问题： DJ1经纬仪的精度为( )。A．一测回方向观测中误差0.7″B．一测回方向观测中误差1″C．一测回方向观测中误差2″D．一测回方向观测中误差6″
题型：单项选择题 完形填空：从A、B、C中，选择一个最佳答案，使短文意思完整。 Some years ago, on a hot summer day, a little boy decided to go for a swimming in the river near his house. He went into the river and was 1 towards the middle, but he didn't find there was an alligator(鳄鱼)in the river. His mother in the house 2 out of the window and saw the alligator come near. She ran towards the river 3 and shouted(呼喊)at her son. The little boy 4 his mother's voice and swam to his mother. 5 it was too late. Just as the mother caught her little boy by the arms, the alligator caught his legs. The mother 6 her best to save(拯救)her son. Later, a farmer walking by killed the alligator with his gun. After several weeks in the 7 , the little boy got well. There were scars(伤疤)on his leg and arms. A newspaper 8 went to interview him and asked if he would 9 him his scars. The boy showed him his legs. And then 10 a great smile(微笑), he said to the interviewer, "But look at my arms. I have great scars on my arms, too. They're scars of love".( )1. A. running( )2. A. came( )3. A. quickly( )4. A. saw( )5. A. So( )6. A. tried( )7. A. restaurant( )8. A. reporter( )9. A. describe( )10. A. byB. swimmingB. tookB. early B. feltB. ButB. hadB. hospitalB. workerB. findB. withoutC. walking C. looked C. freely C. heard C. And C. put C. school C. student C. show C. with 查看答案
题型：单项选择题 林女士，26岁，婚后3年不孕，月经周期不规则。妇科检查无异常发现，其子宫内膜病理检查结果显示：分泌期子宫内膜腺体呈分泌不良，应考虑为（）。A.无排卵型功血B.黄体功能不足C.黄体萎缩不全D.子宫内膜不规则脱落E.月经不调 查看答案