皮皮学，免费搜题
登录
搜题
【单选题】
判断胎儿皮肤成熟度的检查是()。A.
羊水中淀粉酶测定
B.
羊水中脂肪细胞百分率
C.
羊水中胆红素含量
D.
羊水中卵磷脂鞘磷脂比值
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】红花花粉粒特征是
A.
花粉粒，圆球状，表面光滑，直径大，约100μm
B.
花粉粒类球形或椭圆形，表面有网状雕纹
C.
花粉粒圆球形或椭圆形，表面有短刺及疣状雕纹
D.
花粉粒球形，表面具细刺状突起
E.
花粉粒极面观呈三角形，赤道面观双凸镜形
【单选题】With the help of Miss Wang, Li Ling has ________ great progress in English. [ ]
A.
made
B.
done
C.
taken
D.
picked
【简答题】Direction: Choose Two topics from the following Three and give 2-minute speech for each topic. Don't just read from your own notes. 1. You and your friend have registered the same history class, but h...
【简答题】完形填空。 Xiao Ling has a good friend . 1 name is Lucy . She is from America . Xiao Ling and Lucy are in 2 same school . 3 they are in different classes . They go to school from 4 to Friday . They stay at...
【单选题】Ma Ling was suddenly ill at school and _____ to the hospital at once. [ ]
A.
was sent
B.
has been sent
C.
sent
【单选题】-----Why does Ling Ling look so unhappy? -----she has_____ by her classmates.
A.
laughed
B.
laughed at
C.
been laughed
D.
been laughed at
【单选题】A: Why does Ling Ling look so unhappy? B: She has ________by her classmate.
A.
laughed
B.
laughed at
C.
been laughed
D.
been laughed at
【单选题】—Why does Ling Ling look so unhappy? —She has _______ by her classmates.
A.
laughed
B.
laughed at
C.
been laughed
D.
been laughed at
【单选题】It has been said that the A cts provided a mew course of action and did not merely regulate or enlarge an old one.
A.
manage
B.
control
C.
revise
D.
outset
【单选题】红花花粉粒特征是
A.
花粉粒圆球状，表面光滑，直径大，约为100μm
B.
花粉粒类球形或椭圆形，表面有网状雕纹
C.
花粉粒类圆形、橄榄形或椭圆形，表面有齿状突起
D.
花粉粒球形，表面具细刺状突起
E.
花粉粒极面观呈三角形，赤道面观双凸镜形
相关题目：
参考解析：
知识点：
题目纠错 0
发布
