上海自贸区的建设将涉及十几项国家法律法规的修改,全国人大常委会将审议并决定在试验区调整涉及部分法律规定的行政审批和事项。这说明全国人大常委会 ( )①是国家权力机关 ②坚持依法行政 ③具有最高决定权 ④行使国家立法权
—Perhaps John's not in. —______.Look,the light's on.
For the Turner sisters and their classmates,taking a parttime job might ______ their time for study.
The woman teacher hurriedly left the classroom as though ______.
—Please call me at 7:00 tomorrow morning.I'm kind of forgetful. —Don't worry about that.You'll surely be ______.
Lab workers must wear protective ______.