皮皮学，免费搜题
登录
搜题
【多选题】
11A.
11
B.
11
C.
11
D.
11
E.
11
F.
11
G.
11
H.
11
I.
11
J.
11
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Johnny cried bitterly , not even attempting to _______ the tears.
A.
hold out
B.
hold on
C.
hold back
D.
hold in
【判断题】焊接温度为260°C,3秒。温度过高,时间过长会烧坏芯片。为了更好地保护LED,LED胶体与PC板应保持1mm以上的间距,以使焊接热量在引脚中散除。( )
A.
正确
B.
错误
【简答题】People of ancient Egypt and Europeans of the Middle Ages ．
【单选题】People living in the desert choose to keep their ancient lifestyles and customs, _______people in cities throw away their cultural traditions.
A.
when
B.
if
C.
unless
D.
while
【简答题】阅读理解。 How did ancient people tell time? ◇Natural ways of keeping time In ancient time, people had to use the sun and the moon to tell time. They got up when the sun came up and worked in the fields un...
相关题目：