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【单选题】
以下哪种签到方式是需要拍照上传验证的?A.
普通
B.
手势
C.
位置
D.
二维码
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】He is not at home, he must be out in the supermarket. ________ he is not at home, he must be out in the supermarket.
A.
If
B.
Though
C.
When
D.
Lest
【单选题】No one saw Mr Green _______ out of his house. He must be at home. [ ]
A.
get
B.
gets
C.
to get
D.
got
【单选题】I think he must be writing his essay at home now, ______?
A.
is he
B.
isn’t he
C.
do I
D.
mustn’t he
【单选题】— _____ he be at home now? — Yes, he must. The light is on. [ ]
A.
Must
B.
Can
C.
Does
D.
Could
【简答题】试分析资产阶级民主革命如果没有广大农民的参加是不可能取得胜利的原因。
【简答题】He must be at home, _________the light in his house is still burning.
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